Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock	Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Treasury Stock	Total
Balance at Dec. 31, 2018	$ 9	$ 27,910	$ (19,178)	$ (832)	$ (742)	$ 7,167
Balance, Shares at Dec. 31, 2018	9,508
Net earnings loss			5,325			5,325
Conversion of subordinated convertible debt		140				140
Conversion of subordinated convertible debt, Shares	260
Stock-based Compensation		149				149
Balance at Mar. 31, 2019	$ 9	28,199	(13,853)	(832)	(742)	12,781
Balance, Shares at Mar. 31, 2019	9,768
Balance at Dec. 31, 2018	$ 9	27,910	(19,178)	(832)	(742)	7,167
Balance, Shares at Dec. 31, 2018	9,508
Net earnings loss						4,434
Balance at Jun. 30, 2019	$ 9	28,171	(14,744)	(832)	(484)	12,120
Balance, Shares at Jun. 30, 2019	9,723
Balance at Mar. 31, 2019	$ 9	28,199	(13,853)	(832)	(742)	12,781
Balance, Shares at Mar. 31, 2019	9,768
Net earnings loss			(891)			(891)
Conversion of subordinated convertible debt		(196)			258	62
Conversion of subordinated convertible debt, Shares	(45)
Stock-based Compensation		168				168
Balance at Jun. 30, 2019	$ 9	28,171	(14,744)	(832)	(484)	12,120
Balance, Shares at Jun. 30, 2019	9,723
Balance at Dec. 31, 2019	$ 10	28,158	(19,920)	(885)		7,363
Balance, Shares at Dec. 31, 2019	9,766
Net earnings loss			(2,080)			(2,080)
Stock-based Compensation		118				118
Balance at Mar. 31, 2020	$ 10	28,276	(22,000)	(885)		5,401
Balance, Shares at Mar. 31, 2020	9,766
Balance at Dec. 31, 2019	$ 10	28,158	(19,920)	(885)		7,363
Balance, Shares at Dec. 31, 2019	9,766
Net earnings loss						(3,274)
Balance at Jun. 30, 2020	$ 10	28,369	(23,194)	(885)		4,300
Balance, Shares at Jun. 30, 2020	9,766
Balance at Mar. 31, 2020	$ 10	28,276	(22,000)	(885)		5,401
Balance, Shares at Mar. 31, 2020	9,766
Net earnings loss			(1,194)			(1,194)
Stock-based Compensation		93				93
Balance at Jun. 30, 2020	$ 10	$ 28,369	$ (23,194)	$ (885)		$ 4,300
Balance, Shares at Jun. 30, 2020	9,766