Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock	Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Treasury Stock	Total
Balance at Dec. 31, 2017	$ 8	$ 26,920	$ (17,821)	$ (854)	$ (840)	$ 7,413
Balance, Shares at Dec. 31, 2017	8,465
Net earnings loss			(63)			(63)
Stock-based Compensation		84				84
Balance at Mar. 31, 2018	$ 8	27,004	(17,884)	(854)	(840)	7,434
Balance, Shares at Mar. 31, 2018	8,465
Balance at Dec. 31, 2017	$ 8	26,920	(17,821)	(854)	(840)	7,413
Balance, Shares at Dec. 31, 2017	8,465
Net earnings loss						(597)
Balance at Sep. 30, 2018	$ 9	27,768	(18,418)	(854)	(824)	7,681
Balance, Shares at Sep. 30, 2018	9.914
Balance at Mar. 31, 2018	$ 8	27,004	(17,884)	(854)	(840)	7,434
Balance, Shares at Mar. 31, 2018	8,465
Net earnings loss			(335)			(335)
Conversion of subordinated convertible debt	$ 1	454				455
Conversion of subordinated convertible debt, Shares	842
Stock-based Compensation		147				147
Balance at Jun. 30, 2018	$ 9	27,605	(18,219)	(854)	(840)	7,701
Balance, Shares at Jun. 30, 2018	9,782
Net earnings loss			(199)			(199)
Stock-based Compensation		163			16	179
Balance at Sep. 30, 2018	$ 9	27,768	(18,418)	(854)	(824)	7,681
Balance, Shares at Sep. 30, 2018	9.914
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						3,100
Balance at Sep. 30, 2019	$ 10	28,023	(16,078)	(832)	(106)	11,017
Balance, Shares at Sep. 30, 2019	9,656
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)
Shares issued from treasury stock		(196)			258	62
Shares issued from treasury stock, 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
Net earnings loss			(1,334)			(1,334)
Shares issued from treasury stock	$ 1	(310)			378	69
Shares issued from treasury stock, Shares	(67)
Stock-based Compensation		162				162
Balance at Sep. 30, 2019	$ 10	$ 28,023	$ (16,078)	$ (832)	$ (106)	$ 11,017
Balance, Shares at Sep. 30, 2019	9,656