CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net income (loss)	$ 493,000	$ (621,000)
Other comprehensive income:
Unrealized foreign currency translation gain	27,000	34,000
Total other comprehensive income, net of tax	27,000	34,000
Comprehensive income (loss)	$ 520,000	$ (587,000)