Share-Based Compensation (Detail Narratives) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share-based compensation expense	$ 46	$ 41	$ 94	$ 88
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted	$ 362		$ 362
Weighted-average period over which unrecognized compensation is expected to be recognized			1 year 10 months 25 days
Common stock issued pursuant to option exercises (shares)			4,334
Proceeds from exercise of stock options			$ 2
Stock options granted			507,600	419,390
Stock options forfeited			19,568	15,000
Stock options outstanding, end of period	3,417,000		3,417,000		2,933,000
Weighted average exercise price	$ 0.79		$ 0.79		$ 0.81