Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2013	$ 68,558	$ 21	$ 146,615	$ (79,916)	$ 1,838
Balance (in shares) at Dec. 31, 2013		20,566,663
Options granted for services and compensation	712	$ 0	712	0	0
Common stock issued for exercises of options	0	$ 0	0	0	0
Common stock issued for exercises of options (in shares)		31,850
Common stock issued and to be issued for compensation, services, and royalty payments	1,032	$ 0	1,032	0	0
Common stock issued and to be issued for compensation, services, and royalty payments (in shares)		142,745
Common stock issued for accrued expenses and accrued royalties	39	$ 0	39	0	0
Common stock issued for accrued expenses and accrued royalties (In shares)		6,482
Net loss for the year	(2,801)	$ 0	0	(2,801)	0
Other comprehensive (loss) Income	(1,570)	0	0	0	(1,570)
Balance at Dec. 31, 2014	65,970	$ 21	148,398	(82,717)	268
Balance (in shares) at Dec. 31, 2014		20,747,740
Options granted for services and compensation	478	$ 0	478	0	0
Common stock issued for exercises of options	0	$ 0	0	0	0
Common stock issued for exercises of options (in shares)		122
Common stock issued and to be issued for compensation, services, and royalty payments	763	$ 0	763	0	0
Common stock issued and to be issued for compensation, services, and royalty payments (in shares)		58,357
Net loss for the year	(5,987)	$ 0	0	(5,987)	0
Other comprehensive (loss) Income	(1,708)	0	0	0	(1,708)
Balance at Dec. 31, 2015	59,516	$ 21	149,639	(88,704)	(1,440)
Balance (in shares) at Dec. 31, 2015		20,806,219
Options granted for services and compensation	227	$ 0	227	0	0
Common stock issued for exercises of options	0	$ 0	0	0	0
Common stock issued for exercises of options (in shares)		718
Common stock issued and to be issued for compensation, services, and royalty payments	308	$ 0	308	0	0
Common stock issued and to be issued for compensation, services, and royalty payments (in shares)		109,911
Net loss for the year	(7,266)	$ 0	0	(7,266)	0
Other comprehensive (loss) Income	(4,150)	0	0	0	(4,150)
Balance at Dec. 31, 2016	$ 48,635	$ 21	$ 150,174	$ (95,970)	$ (5,590)
Balance (in shares) at Dec. 31, 2016		20,916,848