CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited Consolidated Condensed) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Balance at beginning at Dec. 31, 2017	$ 338	$ 98,563	$ (95,669)	$ 3,232
Balance at beginning (in shares) at Dec. 31, 2017	33,847,793
Stock-based compensation		43		43
Net loss			(924)	(924)
Balance at ending at Mar. 31, 2018	$ 338	98,606	(96,593)	2,351
Balance at ending (in shares) at Mar. 31, 2018	33,847,793
Balance at beginning at Dec. 31, 2018	$ 339	98,795	(97,750)	1,384
Balance at beginning (in shares) at Dec. 31, 2018	33,911,792
Stock-based compensation		57		57
Net loss			(513)	(513)
Balance at ending at Mar. 31, 2019	$ 339	$ 98,852	$ (98,263)	$ 928
Balance at ending (in shares) at Mar. 31, 2019	33,911,792			928