CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Net loss	$ (1,402,000)	$ (4,694,000)
Other comprehensive income (loss):
Unrealized foreign currency translation income (loss)	118,000	(205,000)
Change in unrecognized pension costs	(342,000)	(653,000)
Total other comprehensive loss, net of tax	(224,000)	(858,000)
Comprehensive loss	$ (1,626,000)	$ (5,552,000)