Condensed Consolidated Statements Of Shareholders' Equity (Deficit) - USD ($) $ in Thousands	Common Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Total
Beginning Balance, shares at Dec. 31, 2018	41,464,373
Beginning Balance at Dec. 31, 2018	$ 63,211	$ 296	$ (64,210)	$ (703)
Stock-based compensation, shares	111,488
Stock-based compensation	$ 63			63
Common stock issuance on conversion of notes payable, shares	438,013
Common stock issuance on conversion of notes payable	$ 141			141
Net loss			(796)	(796)
Other comprehensive income (loss)		19		19
Ending Balance, shares at Mar. 31, 2019	42,013,874
Ending Balance at Mar. 31, 2019	$ 63,415	315	(65,006)	$ (1,276)
Beginning Balance, shares at Dec. 31, 2019	61,566,076			61,566,076
Beginning Balance at Dec. 31, 2019	$ 73,773	342	(66,988)	$ 7,127
Stock-based compensation, shares	101,592
Stock-based compensation	$ 35			35
Beneficial conversion feature on paid-in-kind interest	$ 3			3
Net loss			(891)	(891)
Other comprehensive income (loss)		(87)		$ (87)
Ending Balance, shares at Mar. 31, 2020	61,667,668			61,667,668
Ending Balance at Mar. 31, 2020	$ 73,811	$ 255	$ (67,879)	$ 6,187