CONDENSED CONSOLIDATED STATEMENT OF STOCKOLDERS' EQUITY - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]
Balance at Dec. 31, 2016	$ 28,025	$ 307	$ 87,521	$ (51,086)	$ (5,556)	$ (3,161)
Balance (in shares) at Dec. 31, 2016		30,680		(5,016)
Net loss available to common stockholders	(3,909)	$ 0	0	$ 0	(3,909)	0
Sale of common stock, net	40,561	$ 55	40,506	$ 0	0	0
Sale of common stock, net (in shares)		5,472		0
Settlement of stock awards	(2,574)	$ 6	0	$ (2,580)	0	0
Settlement of stock awards (in shares)		655		(339)
Stock-based compensation expense	2,248	$ 0	2,248	$ 0	0	0
Balance at Sep. 30, 2017	$ 64,351	$ 368	$ 130,275	$ (53,666)	$ (9,465)	$ (3,161)
Balance (in shares) at Sep. 30, 2017		36,807		(5,355)