Consolidated Statements of Changes in Stockholders' Equity (Deficit) (Unaudited) - 3 months ended Mar. 31, 2018 - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2017	16,316		769
Balance at Dec. 31, 2017	$ 2	$ 68,886	$ (1,536)	$ (67,657)	$ (305)
Restricted stock cancelled (in shares)	(30)
Restricted stock cancelled
Stock-based compensation (in shares)
Stock-based compensation		49			49
Net income				81	81
Balance (in shares) at Mar. 31, 2018	16,286		769
Balance at Mar. 31, 2018	$ 2	$ 68,935	$ (1,536)	$ (67,576)	$ (175)