Condensed Consolidated Statements of Stockholders’ Deficit (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Deficit	Total
Balance at Dec. 31, 2019	$ 58	$ (325)	$ 129,651	$ (134,675)	$ (5,291)
Balance (in 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 (in Shares) at Mar. 31, 2020	5,762	5
Balance at Dec. 31, 2020	$ 58	$ (325)	129,783	(135,203)	(5,687)
Balance (in Shares) at Dec. 31, 2020	5,762	5
Stock-based compensation			24		24
Net loss				(190)	(190)
Balance at Mar. 31, 2021	$ 58	$ (325)	$ 129,807	$ (135,393)	$ (5,853)
Balance (in Shares) at Mar. 31, 2021	5,762	5