Share-Based Compensation (Detail Narratives) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share-based compensation expense	$ 48	$ 47
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted	$ 412
Weighted-average period over which unrecognized compensation is expected to be recognized	2 years 2 months 12 days
Common stock issued pursuant to option exercises (shares)	4,334
Proceeds from exercise of stock options	$ 2
Stock options outstanding, beginning of period	2,933,000
Stock options granted	507,600	419,390
Stock options forfeited	5,068	10,001
Stock options outstanding, end of period	3,431,000
Weighted average exercise price	$ 0.79		$ 0.81