Shareholders' Equity	12 Months Ended
	Dec. 31, 2021
Shareholders' Equity [Abstract]
Shareholders' Equity	11.  SHAREHOLDERS’ EQUITY Since March 2000, the Company has had a discretionary program to repurchase the Company’s outstanding common stock. The total remaining authorization under the repurchase program was $14.7 million as of December 31, 2021. The Company did not repurchase any shares of its common stock during 2021 and 2020. The repurchase program has no set expiration or termination date. The Company has not declared or paid any dividends. Declaration and payment of dividends, if any, in the future will be at the discretion of the board of directors. At the present time, the Company intends to use any earnings that may be generated to finance the growth of its business. The Company does not have any minimum capital requirements related to its status as a US corporation in the state of Delaware.