Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - 6 months ended Jun. 30, 2017 - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2016	$ 50	$ 120,835	$ 67	$ (120,285)	$ 667
Balance, shares at Dec. 31, 2016	49,782,797
Net loss				(1,466)	(1,466)
Cumulative effect of change in accounting principle		12		(12)
Net unrealized gains on foreign currency translation, net of tax			8		8
Issuance of common stock, net of equity issuance costs of $152	$ 4	1,062			1,066
Issuance of common stock, net of equity issuance costs, shares	4,059,994
Issuance of common stock		113			113
Issuance of common stock, shares	300,000
Issuance of restricted stock
Issuance of restricted stock, shares	17,756
Noncash stock-based compensation		395			395
Balance at Jun. 30, 2017	$ 54	$ 122,417	$ 75	$ (121,763)	$ 783
Balance, shares at Jun. 30, 2017	54,160,547