Share-Based Compensation (Detail Narratives) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share-based compensation expense	$ 45	$ 41	$ 140	$ 129
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted	$ 305		$ 305
Weighted-average period over which unrecognized compensation is expected to be recognized			2 years
Common stock issued pursuant to option exercises (shares)			45,334	44,500
Proceeds from exercise of stock options			$ 14	$ 18
Stock options granted			507,600	419,390
Stock options forfeited			44,568	64,900
Stock options outstanding, end of period	3,351,000		3,351,000		2,933,000
Weighted average exercise price	$ 0.79		$ 0.79		$ 0.81