Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances (in shares) at Dec. 31, 2019	6,631,000
Balances at Dec. 31, 2019	$ 7	$ 42,331	$ (41,258)	$ 305	$ 1,385
Stock-based compensation		112			112
Net loss			(1,798)		(1,798)
Foreign currency translation adjustment				797	797
Warrants issued		228			228
Balances (in shares) at Mar. 31, 2020	6,631,000
Balances at Mar. 31, 2020	$ 7	42,671	(43,056)	1,102	724
Balances (in shares) at Dec. 31, 2020	9,664,000
Balances at Dec. 31, 2020	$ 10	54,848	(46,026)	(384)	$ 8,448
Warrants exercised for cash (in shares)	229,000				228,939
Warrants exercised for cash		1,042			$ 1,042
Warrants exercised net cashless (in shares)	189,000				188,607
Warrants exercised net cashless
Vested restricted stock units (in shares)	7,000
Vested restricted stock units
Stock-based compensation		252			252
Net loss			(2,257)		(2,257)
Foreign currency translation adjustment				99	99
Balances (in shares) at Mar. 31, 2021	10,089,000
Balances at Mar. 31, 2021	$ 10	$ 56,142	$ (48,283)	$ (285)	$ 7,584