Consolidated Statement of Stockholder's Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2015	$ 13,727	$ 27	$ 29,106	$ (14,874)	$ (572)	$ 40
Balance (in shares) at Dec. 31, 2015		2,665,434
Net income	148			148
Other comprehensive income (loss)	(43)					(43)
Stock-based compensation	67		67
Stock-based compensation (in shares)		11,952
Purchase of treasury stock	(8)				(8)
Purchase of treasury stock (in shares)		(1,920)
Balance at Dec. 31, 2016	$ 13,891	$ 27	29,173	(14,726)	(580)	(3)
Balance (in shares) at Dec. 31, 2016	2,675,466	2,675,466
Net income	$ 117			117
Other comprehensive income (loss)	38					38
Stock-based compensation	$ 88		88
Stock-based compensation (in shares)	10,830	10,830
Issuance of shares, net of issuance costs	$ 10,794	$ 20	10,774
Issuance of shares, net of issuance costs (in shares)		2,006,598
Balance at Dec. 31, 2017	$ 24,928	$ 47	$ 40,035	$ (14,609)	$ (580)	$ 35
Balance (in shares) at Dec. 31, 2017	4,692,893	4,692,894