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COMMON STOCK | 9 Months Ended
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Sep. 30, 2019
COMMON STOCK [Abstract] |
COMMON STOCK | NOTE 13 – COMMON STOCK ACM is authorized to issue 50,000,000 shares of Class A common stock and 2,409,738 shares of Class B common stock, each with a par value of $0.0001. Each share of Class A common stock is entitled to one vote, and each share of Class B common stock is entitled to twenty votes and is convertible at any time into one share of Class A common stock. Shares of Class A common stock and Class B common stock are treated equally, identically and ratably with respect to any dividends declared by the Board of Directors unless the Board of Directors declares different dividends to the Class A common stock and Class B common stock by getting approval from a majority of common stockholders. On March 30, 2018, SMC exercised the SMC Warrant in full (note 12) to purchase 397,502 shares of Class A common stock. During the nine months ended September 30, 2019, ACM issued 193,642 shares of Class A common stock upon option exercises by employees and non-employees and an additional 35,815 shares of Class A common stock upon conversion of an equal number of shares of Class B common stock. In August 2019, ACM sold a total of 2,053,572 shares of Class A common stock to the public at a price of $14.00 per share for aggregate gross proceeds of $28,750. Net proceeds to ACM excluded an underwriting discount and offering expenses totaling $2,287. As mentioned in note 11, the shares repurchased from certain directors, employees and SMC upon the exercise of the underwriters’ over-allotment option in connection with the offering was for the purpose of share constructive retirement. A total of 214,286 repurchased shares were accounted for share retirement during the three and nine months ended September 30, 2019. There were issued and outstanding 16,179,058 shares of Class A common stock and 1,862,608 shares of Class B common stock at September 30, 2019 and 14,110,315 shares of Class A common stock and 1,898,423 shares of Class B common stock at December 31, 2018.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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