Condensed Consolidated Statements of Stockholders’ Equity Deficit (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Deficit	Total
Balance at Dec. 31, 2018	$ 58	$ (325)	$ 129,251	$ (133,589)	$ (4,605)
Balance, shares at Dec. 31, 2018	5,762	5
Stock-based compensation			59		59
Net loss				(291)	(291)
Balance at Mar. 31, 2019	$ 58	$ (325)	129,310	(133,880)	(4,837)
Balance, shares at Mar. 31, 2019	5,762	5
Balance at Dec. 31, 2018	$ 58	$ (325)	129,251	(133,589)	(4,605)
Balance, shares at Dec. 31, 2018	5,762	5
Net loss					(540)
Balance at Jun. 30, 2019	$ 58	$ (325)	129,358	(134,129)	(5,038)
Balance, shares at Jun. 30, 2019	5,762	5
Balance at Mar. 31, 2019	$ 58	$ (325)	129,310	(133,880)	(4,837)
Balance, shares at Mar. 31, 2019	5,762	5
Stock-based compensation			48		48
Net loss				(249)	(248)
Balance at Jun. 30, 2019	$ 58	$ (325)	129,358	(134,129)	(5,038)
Balance, shares at Jun. 30, 2019	5,762	5
Balance at Dec. 31, 2019	$ 58	$ (325)	129,651	(134,675)	(5,291)
Balance, shares at Dec. 31, 2019	5,762	5
Stock-based compensation			22		22
Net loss				(339)	(339)
Balance at Mar. 31, 2020	$ 58	$ (325)	129,673	(135,014)	(5,608)
Balance, shares at Mar. 31, 2020	5,762	5
Balance at Dec. 31, 2019	$ 58	$ (325)	129,651	(134,675)	(5,291)
Balance, shares at Dec. 31, 2019	5,762	5
Net loss					(520)
Balance at Jun. 30, 2020	$ 58	$ (325)	129,703	(135,195)	(5,759)
Balance, shares at Jun. 30, 2020	5,762	5
Balance at Mar. 31, 2020	$ 58	$ (325)	129,673	(135,014)	(5,608)
Balance, shares at Mar. 31, 2020	5,762	5
Stock-based compensation			17		17
Warrant issued for services			13
Net loss				(181)	(181)
Balance at Jun. 30, 2020	$ 58	$ (325)	$ 129,703	$ (135,195)	$ (5,759)
Balance, shares at Jun. 30, 2020	5,762	5