Common Stock and Treasury Stock	3 Months Ended
Mar. 31, 2020
Equity [Abstract]
Common Stock and Treasury Stock	7. Common stock and treasury stock Common stock As of March 31, 2020 and December 31, 2019, the number of issued shares of common stock was 11,693,162 and 11,657,912, respectively, which included shares of treasury stock of 103,147 and 103,147, respectively. The change in the number of issued shares of common stock was due to an aggregate of 35,250 shares of common stock issued as a result of the vesting of RSUs. Treasury stock As of March 31, 2020 and December 31, 2019, the Company held 103,147 shares of treasury stock, with a cost of $1,255, as a result of the shares withheld to pay withholding taxes upon the vesting of RSUs.

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.

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

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