7Baggers
Quarterly
Annual
    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 
      
                                  
      assets
                                  
      current assets:
                                  
      cash and cash equivalents
    1,058,909,000 442,088,000 457,240,000 407,445,000 333,472,000 324,031,000 211,305,000 182,090,000 207,101,000 257,420,000 260,387,000 336,275,000 323,716,000 380,311,000 65,036,000 70,209,000 78,796,000 71,766,000 92,203,000 86,397,000 52,283,000 47,264,000 27,578,000 27,367,000 27,124,000 18,238,000 17,435,000 15,186,000 17,681,000 17,074,000 
      restricted cash
    8,430,000 10,798,000 10,586,000 3,865,000 1,782,000 881,000 808,000 1,083,000 560,000 582,000 460,000 367,000 628,000        58,726,000 26,582,000        433,000 
      short-term time deposits
    30,922,000 31,019,000 17,202,000 17,277,000 20,304,000 27,183,000 48,364,000 80,524,000 75,651,000 6,000,000 2,999,000 66,176,000 70,030,000 74,025,000                 
      short-term investments
    39,976,000 21,115,000 18,319,000 19,373,000 20,351,000 19,597,000 18,648,000 21,312,000 21,844,000                      
      accounts receivable
    476,996,000  387,849,000  370,589,000 293,499,000 296,371,000 283,186,000 248,477,000 200,745,000 186,130,000 188,341,000 154,627,000                  
      other receivables
    50,450,000 43,708,000 35,050,000 41,859,000 57,849,000 53,694,000 51,316,000 40,065,000 36,126,000 34,491,000 36,178,000 15,135,000 16,208,000 23,602,000 13,165,000 10,733,000 11,216,000 9,679,000 6,177,000 7,651,000 3,236,000 2,152,000 2,388,000 2,982,000 3,547,000 1,591,000 1,308,000 1,222,000 2,491,000 2,017,000 
      inventories
    676,409,000 648,278,000 609,567,000 597,984,000 628,720,000 602,927,000 581,140,000 545,395,000 507,431,000 471,094,000 473,299,000 327,792,000 288,080,000 271,538,000 176,609,000 136,852,000 103,226,000 88,639,000 64,182,000 49,772,000 44,987,000 43,506,000 45,494,000 42,253,000 38,764,000 29,809,000 27,531,000    
      advances to related parties
    927,000 682,000                             
      prepaid expenses and other current assets
    15,143,000 14,303,000 10,677,000                            
      total current assets
    2,358,162,000 1,645,653,000 1,547,874,000 1,483,379,000 1,445,314,000 1,343,162,000 1,229,356,000 1,176,110,000 1,115,894,000 996,832,000 993,811,000 971,242,000 900,628,000 904,977,000 377,347,000 329,361,000 286,552,000 260,656,000 251,777,000 205,880,000 198,477,000 163,654,000 108,400,000 99,505,000 96,028,000 82,777,000 81,879,000 66,494,000 62,914,000 56,022,000 
      property, plant and equipment
    296,714,000 290,944,000 277,065,000 269,272,000 250,099,000 228,731,000 218,822,000 201,848,000 190,882,000 159,013,000 149,904,000 66,470,000 57,266,000 57,680,000 10,005,000 8,985,000 8,772,000 8,192,000 5,974,000 3,956,000 3,495,000 3,573,000 3,376,000 3,719,000 3,708,000 3,593,000 3,050,000 2,731,000 2,340,000 2,346,000 
      operating lease right-of-use assets
    18,026,000 17,285,000 17,747,000 14,038,000 5,680,000 6,252,000 6,498,000 7,026,000 7,184,000 7,809,000 7,408,000 2,647,000 3,478,000 4,028,000 4,599,000 5,209,000 5,349,000 4,297,000 4,568,000 4,648,000 3,547,000 4,205,000 4,550,000 4,787,000       
      intangible assets
    2,706,000 2,849,000 2,997,000 3,461,000 2,838,000 2,836,000 2,803,000 2,538,000 2,163,000 2,107,000 1,233,000 873,000 661,000 748,000 556,000 630,000 602,000 554,000 335,000 329,000 307,000 285,000 307,000 263,000 274,000 300,000 231,000 126,000 106,000 35,000 
      long-term time deposits
      13,393,000 13,275,000 13,517,000 14,656,000 27,841,000 40,818,000 43,183,000 112,104,000 117,855,000 70,400,000 74,500,000 78,750,000                 
      deferred tax assets
    26,641,000 22,341,000 16,457,000 14,781,000 13,400,000 20,898,000 21,360,000 20,271,000 16,486,000 11,249,000 13,035,000 6,576,000 10,767,000 15,303,000 15,795,000 14,691,000 13,908,000 11,076,000 10,093,000 5,763,000 5,212,000 2,309,000 1,635,000 1,669,000 1,637,000 1,230,000 1,278,000 1,345,000 1,294,000 1,433,000 
      long-term investments
    63,556,000 56,723,000 54,814,000 37,063,000 33,655,000 31,898,000 31,293,000 27,880,000 22,306,000 16,122,000 17,265,000 18,538,000 12,612,000 12,666,000 7,408,000 7,006,000 6,632,000 6,340,000 6,580,000 20,360,000 6,015,000 5,968,000 1,738,000        
      other long-term assets
    4,838,000 3,920,000 3,421,000 20,452,000 21,352,000 10,917,000 10,471,000 6,050,000 3,851,000 3,388,000 3,479,000 2,373,000 2,520,000 3,559,000 44,243,000 43,434,000 40,475,000 40,496,000 8,008,000 16,466,000 155,000 222,000 263,000  40,000 41,000 40,000    
      total assets
    2,770,643,000 2,039,715,000 1,933,768,000 1,855,721,000 1,794,175,000 1,667,575,000 1,556,749,000 1,490,908,000 1,410,248,000 1,316,914,000 1,312,751,000 1,147,666,000 1,071,524,000 1,087,372,000 469,509,000 418,958,000 371,819,000 341,257,000 296,619,000 257,402,000 217,208,000 180,216,000 120,269,000 111,419,000 103,047,000 89,413,000 87,833,000 71,934,000 67,891,000 61,056,000 
      liabilities and equity
                                  
      current liabilities:
                                  
      short-term borrowings
    45,049,000 52,969,000 24,951,000 32,814,000 33,795,000 54,439,000 54,706,000 31,335,000 33,911,000 53,976,000 56,745,000 50,688,000 4,898,000 9,600,000 15,201,000 22,162,000 23,490,000 26,147,000 28,327,000 25,772,000 3,892,000 15,665,000 15,110,000 12,829,000 9,447,000 10,163,000 9,932,000 10,376,000 5,095,000 3,472,000 
      current portion of long-term borrowings
    48,637,000 62,139,000 67,935,000 44,472,000 30,670,000 19,671,000 6,549,000 6,783,000 6,717,000 3,239,000 2,369,000 2,260,000 2,328,000 2,441,000 2,351,000 1,799,000 1,598,000 1,591,000             
      related parties accounts payable
    23,323,000 19,827,000                             
      accounts payable
    180,884,000 148,780,000 116,441,000 139,294,000 170,810,000 142,418,000 135,499,000 141,814,000 136,675,000 106,861,000 116,558,000 92,325,000 93,902,000 108,494,000 92,825,000 67,031,000 44,721,000 35,603,000 35,639,000 27,986,000 18,616,000 15,440,000 18,238,000 13,333,000 16,673,000 11,991,000 17,755,000 5,525,000 7,419,000 8,667,000 
      advances from customers
    203,506,000 221,446,000 241,456,000 243,949,000 215,678,000 205,609,000 182,547,000 181,368,000 191,393,000 195,485,000 180,453,000 136,610,000 94,421,000 82,036,000 52,681,000 43,845,000 32,668,000 17,888,000 8,011,000 8,780,000 9,236,000 8,397,000 5,684,000 8,469,000 8,417,000 3,918,000 1,931,000 264,000 143,000 75,000 
      deferred revenue
    15,550,000 13,660,000 10,781,000 8,537,000 10,138,000 5,279,000 4,405,000 3,687,000 4,747,000 5,050,000 4,400,000 4,911,000 2,950,000 2,699,000 2,403,000 2,348,000 1,315,000 1,343,000 819,000 474,000           
      income taxes payable
     253,000 6,168,000 12,779,000 6,796,000 11,136,000 11,403,000 6,401,000 11,061,000 10,324,000 8,579,000 8,564,000 2,032,000 -1,744,000 1,233,000 482,000 105,000 31,000 3,589,000 1,669,000 3,347,000 1,326,000 1,016,000 1,228,000 1,193,000 689,000 231,000 44,000 44,000  
      fin-48 payable
    21,768,000 21,373,000 19,483,000 19,466,000 8,991,000 12,093,000 12,131,000 12,149,000 6,487,000 6,446,000 6,774,000 2,054,000 2,171,000 2,292,000 83,000 83,000 82,000 83,000             
      other payables and accrued expenses
    135,032,000 126,787,000 118,814,000 121,657,000 115,388,000 114,940,000 107,098,000 102,951,000 80,400,000 59,997,000 52,966,000 40,281,000 39,195,000 36,555,000 25,950,000 21,871,000 21,885,000 18,805,000 18,494,000 15,357,000 14,331,000 13,970,000 11,993,000 11,834,000 10,410,000 8,090,000 6,518,000 6,542,000 6,026,000 5,264,000 
      current portion of operating lease liabilities
    4,120,000 3,778,000 3,564,000 2,132,000 2,377,000 2,573,000 2,668,000  2,876,000                      
      total current liabilities
    677,869,000 671,012,000 628,878,000 641,233,000 610,035,000 586,170,000 533,249,000 500,659,000 481,951,000 456,299,000 450,211,000 345,602,000 252,733,000 244,449,000 195,207,000 162,058,000 128,035,000 102,908,000 96,267,000 96,516,000 50,767,000 56,148,000 53,401,000 49,019,000 46,140,000 34,851,000 36,367,000 22,751,000 21,817,000 20,566,000 
      long-term borrowings
    193,356,000 162,991,000 134,540,000 105,525,000 106,069,000 70,833,000 53,408,000 53,952,000 39,753,000 15,899,000 18,245,000 18,810,000 20,642,000 22,344,000 23,080,000 18,717,000 17,444,000 17,979,000             
      long-term operating lease liabilities
    5,882,000 5,496,000 6,149,000 3,840,000 3,303,000 3,679,000 3,830,000  4,308,000                      
      other long-term liabilities
    8,322,000 8,527,000 8,848,000 9,217,000 5,685,000 5,505,000 5,469,000 5,873,000 6,106,000 6,566,000 7,195,000 6,660,000 8,063,000 8,545,000 5,303,000 4,557,000 6,639,000 8,034,000 6,454,000 6,584,000 5,830,000 2,980,000 3,963,000 3,296,000 4,583,000 5,230,000 5,869,000 6,181,000 6,217,000 6,682,000 
      total liabilities
    885,429,000 848,026,000 778,415,000 759,815,000 725,092,000 666,187,000 595,956,000 564,746,000 532,118,000 483,531,000 480,046,000 373,568,000 284,379,000 278,598,000 227,002,000 189,402,000 156,572,000 133,087,000 105,901,000 106,417,000 58,799,000 61,983,000 60,554,000 55,777,000 50,723,000 40,081,000 42,236,000 28,932,000 28,034,000 27,248,000 
      commitments and contingencies
                                  
      equity:
                                  
      stockholders’ equity:
                                  
      class a common stock
    6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 6,000 5,000 5,000 5,000                   
      class b common stock
    1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000                   
      additional paid-in capital
    1,105,129,000 704,570,000 700,191,000 677,476,000 669,540,000 659,462,000 646,800,000 629,845,000 620,210,000 612,699,000 606,398,000 601,431,000 599,138,000                  
      retained earnings
    346,029,000 310,140,000 280,380,000 260,000,000 229,374,000 198,470,000 174,260,000 156,827,000 152,306,000 124,284,000 101,410,000 91,186,000 70,182,000                  
      statutory surplus reserve
    30,514,000 30,514,000 30,514,000 30,514,000 30,060,000 30,060,000 30,060,000 30,060,000 16,881,000 16,881,000 16,881,000 8,312,000 8,312,000                  
      accumulated other comprehensive loss
    -48,999,000 -58,781,000 -61,946,000 -63,372,000 -40,815,000 -54,830,000 -54,925,000 -49,349,000 -60,354,000 -61,916,000 -32,768,000         -3,415,000 -2,623,000 -3,077,000 -1,168,000 -200,000    827,000  -109,000 
      total acm research, inc. stockholders’ equity
    1,432,680,000 986,450,000 949,146,000 904,625,000 888,166,000 833,169,000 796,202,000 767,390,000 729,050,000 691,954,000 691,927,000 643,015,000 655,005,000 674,386,000 173,016,000 160,823,000 148,311,000 141,150,000 126,942,000 89,907,000          5,793,000 
      non-controlling interests
    452,534,000 205,239,000 206,207,000 191,281,000 180,917,000 168,219,000 164,591,000 158,772,000 149,080,000 141,429,000 140,778,000 131,083,000 132,140,000 134,388,000 69,491,000 68,733,000 66,936,000 67,020,000 63,776,000 61,078,000          4,181,000 
      total equity
    1,885,214,000 1,191,689,000 1,155,353,000 1,095,906,000 1,069,083,000 1,001,388,000 960,793,000 926,162,000 878,130,000 833,383,000 832,705,000 774,098,000 787,145,000                  
      total liabilities and equity
    2,770,643,000 2,039,715,000 1,933,768,000 1,855,721,000 1,794,175,000 1,667,575,000 1,556,749,000 1,490,908,000 1,410,248,000 1,316,914,000 1,312,751,000 1,147,666,000 1,071,524,000                  
      account receivables
     433,662,000  387,045,000                           
      advances to related party
      1,384,000 1,024,000 1,453,000 2,756,000 1,338,000 2,432,000 1,164,000 1,155,000 2,306,000 5,158,000 3,073,000                  
      related party accounts payable
      19,285,000 16,133,000 15,392,000 18,012,000 16,243,000 11,407,000 7,684,000 11,879,000 18,354,000 6,589,000 9,062,000                  
      prepaid expenses
       7,507,000 10,794,000 18,594,000 20,066,000 20,023,000 17,540,000 18,970,000 19,319,000 17,771,000 18,851,000 21,771,000 7,531,000 8,953,000 5,917,000 5,892,000 5,531,000 3,157,000 1,985,000 1,006,000 1,547,000 1,833,000 1,985,000 2,142,000 2,316,000 2,383,000 546,000 801,000 
      land use right
        8,320,000 8,225,000 8,305,000 8,367,000 8,299,000 8,290,000 8,761,000 8,547,000 9,092,000 9,661,000 9,556,000 9,642,000 9,529,000 9,646,000 9,284,000            
      current portion of operating lease liability
           2,764,000  3,042,000 3,013,000 1,320,000 1,774,000 2,076,000 2,480,000 2,437,000 2,171,000 1,417,000 1,388,000 1,331,000 1,345,000 1,350,000 1,360,000 1,326,000       
      long-term operating lease liability
           4,262,000  4,767,000 4,395,000 1,327,000 1,704,000 1,952,000 2,119,000 2,772,000 3,178,000 2,880,000 3,180,000 3,317,000 2,202,000 2,855,000 3,190,000 3,462,000       
      trading securities
             6,375,000 12,733,000 14,164,000 23,894,000 25,772,000 30,219,000 31,257,000 27,003,000 28,239,000 23,888,000            
      income tax receivable
               63,000 1,521,000                  
      deferred tax liability
               1,169,000 1,237,000 1,308,000 1,293,000 1,298,000 1,276,000 1,286,000             
      accumulated other comprehensive income
               -57,920,000 -22,633,000 10,979,000 5,759,000 5,931,000 3,961,000 4,857,000 1,037,000      -857,000 -955,000 -209,000  122,000  
      common stock
                5,000                  
      accounts receivables
                 106,351,000 84,787,000 71,357,000 60,394,000 56,441,000 59,796,000 58,903,000 37,260,000 43,144,000 31,393,000 25,070,000 24,608,000 30,965,000 33,289,000 27,793,000 26,762,000 15,784,000 
      income tax recoverable
                 1,607,000                 
      liabilities and stockholders’ equity
                                  
      common stock – class a, par value 0.0001: 150,000,000 shares authorized as of march 31, 2022 and december 31, 2021; 54,035,280 shares issued and outstanding as of march 31, 2022 and 53,608,929 shares issued and outstanding as of december 31, 2021
                 5,000                 
      common stock –class b, par value 0.0001: 5,307,816 shares authorized as of march 31, 2022 and december 31, 2021; 5,086,812 shares issued and outstanding as of march 31, 2022 and 5,087,814 shares issued and outstanding as of december 31, 2021
                 1,000                 
      additional paid in capital
                 597,143,000 110,776,000 108,566,000 104,591,000 102,004,000 100,145,000 76,189,000 84,351,000 82,857,000 58,101,000 57,371,000 56,567,000 55,959,000 55,331,000 54,915,000 49,695,000 19,244,000 
      accumulated surplus
                 66,258,000 56,479,000 46,324,000 39,757,000 34,287,000 25,758,000 17,131,000 17,212,000 11,563,000 2,781,000        
      total stockholders’ equity
                 808,774,000 242,507,000 229,556,000 215,247,000 208,170,000 190,718,000 150,985,000 98,942,000 91,345,000 59,715,000 55,642,000 52,324,000 49,332,000 45,597,000 43,002,000 39,857,000 9,974,000 
      total liabilities and stockholders’ equity
                 1,087,372,000 469,509,000 418,958,000 371,819,000      120,269,000 111,419,000 103,047,000 89,413,000 87,833,000 71,934,000   
      common stock – class a, par value 0.0001: 150,000,000 shares authorized as of september 30, 2021 and 50,000,000 shares authorized as of december 31, 2020; 17,798,740 shares issued and outstanding as of september 30, 2021 and 16,896,693 shares issued and outstanding as of december 31, 2020
                  2,000                
      common stock–class b, par value 0.0001: 5,307,816 shares authorized as of september 30, 2021 and 2,409,738 shares authorized as of december 31, 2020; 1,707,605 shares issued and outstanding as of september 30, 2021 and 1,802,606 shares issued and outstanding as of december 31, 2020
                                  
      common stock – class a, par value 0.0001: 50,000,000 shares authorized as of june 30, 2021 and december 31, 2020; 17,668,409 shares issued and outstanding as of june 30, 2021 and 16,896,693 shares issued and outstanding as of december 31, 2020
                   2,000               
      common stock–class b, par value 0.0001: 2,409,738 shares authorized as of june 30, 2021 and december 31, 2020; 1,707,605 shares issued and outstanding as of june 30, 2021 and 1,802,606 shares issued and outstanding as of december 31, 2020
                                  
      common stock – class a, par value 0.0001: 50,000,000 shares authorized as of march 31, 2021 and december 31, 2020; 17,239,967 shares issued and outstanding as of march 31, 2021 and 16,896,693 shares issued and outstanding as of december 31, 2020
                    2,000              
      common stock–class b, par value 0.0001: 2,409,738 shares authorized as of march 31, 2021 and december 31, 2020; 1,769,272 shares issued and outstanding as of march 31, 2021 and 1,802,606 shares issued and outstanding as of december 31, 2020
                                  
      liabilities, redeemable non-controlling interests and stockholders’ equity
                                  
      redeemable non-controlling interests
                        59,467,000 26,888,000         
      common stock – class a, par value 0.0001: 50,000,000 shares authorized as of december 31, 2020 and december 31, 2019; 16,896,693 shares issued and outstanding as of december 31, 2020 and 16,182,151 shares issued and outstanding as of december 31, 2019
                     2,000             
      common stock–class b, par value 0.0001: 2,409,738 shares authorized as of december 31, 2020 and december 31, 2019; 1,802,606 shares issued and outstanding as of december 31, 2020 and 1,862,608 shares issued and outstanding as of december 31, 2019
                                  
      total liabilities, redeemable non-controlling interests, and stockholders’ equity
                     341,257,000 296,619,000 257,402,000 217,208,000 180,216,000         
      common stock – class a, par value 0.0001: 50,000,000 shares authorized as of september 30, 2020 and december 31, 2019; 16,657,135 shares issued and outstanding as of september 30, 2020 and 16,182,151 shares issued and outstanding as of december 31, 2019
                      2,000            
      common stock–class b, par value 0.0001: 2,409,738 shares authorized as of september 30, 2020 and december 31, 2019; 1,802,606 shares issued and outstanding as of september 30, 2020 and 1,862,608 shares issued and outstanding as of december 31, 2019
                                  
      financial liability carried at fair value
                       15,147,000           
      common stock – class a, par value 0.0001: 50,000,000 shares authorized as of june 30, 2020 and december 31, 2019; 16,250,092 shares issued and outstanding as of june 30, 2020 and 16,182,151 shares issued and outstanding as of december 31, 2019
                       2,000           
      common stock–class b, par value 0.0001: 2,409,738 shares authorized as of june 30, 2020 and december 31, 2019; 1,802,606 shares issued and outstanding as of june 30, 2020 and 1,862,608 shares issued and outstanding as of december 31, 2019
                                  
      common stock – class a, par value 0.0001: 50,000,000 shares authorized as of march 31, 2020 and december 31, 2019; 16,317,346 shares issued and outstanding as of march 31, 2020 and 16,182,151 shares issued and outstanding as of december 31, 2019
                        2,000          
      common stock–class b, par value 0.0001: 2,409,738 shares authorized as of march 31, 2020 and december 31, 2019; 1,862,608 shares issued and outstanding as of march 31, 2020 and december 31, 2019
                                  
      common stock – class a, par value 0.0001: 50,000,000 shares authorized as of september 30, 2019 and december 31, 2018; 16,179,058 shares issued and outstanding as of september 30, 2019 and 14,110,315 shares issued and outstanding as of december 31, 2018
                         2,000         
      common stock–class b, par value 0.0001: 2,409,738 shares authorized as of september 30, 2019 and december 31, 2018; 1,862,608 shares issued and outstanding as of september 30, 2019 and 1,898,423 shares issued and outstanding as of december 31, 2018
                                  
      common stock – class a, par value 0.0001: 50,000,000 shares authorized as of june 30, 2019 and december 31, 2018. 14,229,942 shares issued and outstanding as of june 30, 2019 and 14,110,315 shares issued and outstanding as of december 31, 2018
                          1,000        
      common stock–class b, par value 0.0001: 2,409,738 shares authorized as of june 30, 2019 and december 31, 2018. 1,883,423 shares issued and outstanding as of june 30, 2019 and 1,898,423 shares issued and outstanding as of december 31, 2018
                                  
      investment in affiliates, equity method
                           1,476,000 1,360,000 1,472,000 1,355,000 1,238,000 1,237,000  
      common stock – class a, par value 0.0001: 100,000,000 shares authorized as of march 31, 2019 and december 31, 2018. 14,176,690 shares issued and outstanding as of march 31, 2019 and 14,110,315 shares issued and outstanding as of december 31, 2018
                           1,000       
      common stock–class b, par value 0.0001: 7,303,533 shares authorized as of march 31, 2019 and december 31, 2018. 1,898,423 shares issued and outstanding as of march 31, 2019 and 1,898,423 shares issued and outstanding as of december 31, 2018
                                  
      accumulated deficit
                           -1,530,000 -3,387,000 -5,673,000 -9,526,000 -12,741,000 -9,961,000 -13,344,000 
      other current assets
                             32,000  45,000 46,000 890,000 
      warrant liability
                                3,079,000 3,033,000 
      common stock – class a, par value 0.0001: 100,000,000 shares authorized as of december 31, 2018 and 2017. 14,110,315 shares issued and outstanding as of december 31, 2018 and 12,935,546 shares issued and outstanding as of december 31, 2017
                            1,000      
      common stock–class b, par value 0.0001: 7,303,533 shares authorized as of december 31, 2018 and 2017. 1,898,423 shares issued and outstanding as of december 31, 2018 and 2,409,738 shares issued and outstanding as of december 31, 2017
                                  
      common stock – class a, par value 0.0001: 100,000,000 shares authorized as of september 30, 2018 and december 31, 2017. 14,070,065 shares issued and outstanding as of september 30, 2018 and 12,935,546 shares issued and outstanding as of december 31, 2017
                             1,000     
      common stock – class b, par value 0.0001: 7,303,533 shares authorized as of september 30, 2018 and december 31, 2017. 1,918,423 shares issued and outstanding as of september 30, 2018 and 2,409,738 shares issued and outstanding as of december 31, 2017
                                  
      common stock – class a, par value 0.0001: 100,000,000 shares authorized as of june 30, 2018 and december 31, 2017. 13,957,339 shares issued and outstanding as of june 30, 2018 and 12,935,546 shares issued and outstanding as of december 31, 2017
                              1,000    
      common stock–class b, par value 0.0001: 7,303,533 shares authorized as of june 30, 2018 and december 31, 2017. 1,920,173 shares issued and outstanding as of june 30, 2018 and 2,409,738 shares issued and outstanding as of december 31, 2017
                                  
      inventory
                               19,865,000 15,388,000 18,077,000 
      common stock – class a, par value 0.0001: 100,000,000 shares authorized; 13,390,270 shares issued and outstanding as of march 31, 2018 and 12,935,546 shares issued and outstanding as of december 31, 2017
                               1,000   
      common stock – class b, par value 0.0001: 7,303,533 shares authorized; 2,409,738 shares issued and outstanding as of march 31, 2018 and 2,409,738 shares issued and outstanding as of december 31, 2017
                                 
      liabilities, redeemable convertible preferred stock and stockholders’ equity
                                  
      notes payable
                                11,000 11,000 
      investors’ deposits
                                  
      redeemable convertible preferred stock
                                  
      series a: 385,000 shares authorized, no shares issued or outstanding as of december 31, 2017; 385,000 shares issued and outstanding as of december 31, 2016
                                  
      series b: 1,572,000 shares authorized, no shares issued or outstanding as of december 31, 2017; 1,572,000 issued and outstanding as of december 31, 2016
                                  
      series c: 1,360,962 shares authorized, no shares issued or outstanding as of december 31, 2017; 1,360,962 issued and outstanding as of december 31, 2016 (liquidation value of 0 and 2,041 at december 31,2017 and 2016).
                                  
      series d: 2,659,975 shares authorized, no shares issued or outstanding as of december 31, 2017; 1,326,642 shares issued and outstanding as of december 31, 2016
                                  
      series e: 10,718,530 shares authorized, no shares issued or outstanding as of december 31, 2017 and 2016
                                  
      series f: 6,000,000 shares authorized, no shares issued or outstanding as of december 31, 2017; 3,663,254 issued and outstanding as of december 31, 2016
                                  
      total redeemable convertible preferred stock
                                 23,834,000 
      stockholders’ equity
                                  
      common stock – class a, with par value 0.0001: 100,000,000 shares authorized, 12,935,546 shares issued and outstanding as of december 31, 2017; 100,000,000 shares authorized and 2,228,740 shares issued and outstanding as of december 31, 2016
                                1,000  
      common stock – class b, with par value 0.0001: 7,303,533 shares authorized and 2,409,738 shares issued and outstanding as of december 31, 2017 and 2016
                                  
      total acm research, inc. stockholders’ (deficit) equity
                                39,857,000  
      total liabilities, redeemable convertible preferred stock and stockholders’ equity
                                67,891,000 61,056,000 
      loans receivable – related party
                                 946,000 
      investment in equity method affiliates
                                 1,220,000 
      investors’ deposit
                                  
      income tax payable
                                 44,000 
      series a: 385,000 shares authorized, issued and outstanding as of september 30, 2017 and december 31, 2016 (liquidation value of 308 at september 30, 2017 and december 31, 2016); and no shares authorized, issued or outstanding pro forma as of september 30, 2017
                                 288,000 
      series b: 1,572,000 shares authorized, issued and outstanding as of september 30, 2017 and december 31, 2016 (liquidation value of 1,572 at september 30, 2017 and december 31, 2016) and no shares authorized, issued or outstanding pro forma as of september 30, 2017
                                 1,572,000 
      series c: 1,360,962 shares authorized, issued and outstanding as of september 30, 2017 and december 31, 2016 (liquidation value of 2,041 at september 30, 2017 and december 31, 2016); and no shares authorized, issued or outstanding, pro forma as of september 30, 2017
                                 2,041,000 
      series d: 2,659,975 shares authorized and 1,326,642 shares issued and outstanding as of september 30, 2017 and december 31, 2016 (liquidation value of 4,975 at september 30, 2017 and december 31, 2016); and no shares authorized, issued or outstanding, pro forma as of september 30, 2017
                                 4,975,000 
      series e: 10,718,530 shares authorized, 4,998,508 shares issued and outstanding as of september 30, 2017 (liquidation value of 4,999 at september 30, 2017); and no shares authorized, issued or outstanding as of december 31, 2016 and pro forma as of september 30, 2017
                                 5,800,000 
      series f: 6,000,000 shares authorized, 3,663,254 shares issued and outstanding as of september 30, 2017 and december 31, 2016 (liquidation value of 9,158 at september 30, 2017 and december 31, 2016); and no shares authorized, issued or outstanding pro forma as of september 30, 2017
                                 9,158,000 
      common stock – class a, with par value 0.0001: 100,000,000 shares authorized, 4,741,635 shares issued and outstanding as of september 30, 2017; 100,000,000 shares authorized and 2,228,740 shares issued and outstanding as of december 31, 2016; 100,000,000 shares authorized and 9,369,212 shares issued and outstanding pro forma as of september 30, 2017
                                 1,000 
      common stock – class b, with par value 0.0001: 7,303,533 shares authorized and 2,409,738 shares issued and outstanding as of september 30, 2017 and december 31, 2016; and 7,303,533 shares authorized and 2,409,738 shares issued and outstanding pro forma as of september 30, 2017
                                 1,000 
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.