Stock Option Plan (Detail Textuals) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		12 Months Ended
	Oct. 31, 2015	Jul. 21, 2015	Dec. 31, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares in reserve			2,800,883	2,297,625
Stock-based compensation expense			$ 300	$ 2,605
Total unrecognized compensation cost related to non-vested awards			$ 656
Weighted average period of unvested stock awards			2 years 4 months 24 days
Total estimated grant date fair value of options non-vested			$ 1,092	2,484
Total estimated grant date fair value of options vested			$ 300	$ 2,605
Weighted average grant date fair value of options granted			$ 1.43	$ 2.08
Weighted average grant date fair value of options forfeited			$ 30	$ 61
Aggregate grant date fair value			$ 229	$ 2,722
Total number of unvested shares			406,100	409,643
2007 Key Person Stock Option Plan ("2007 Plan") | Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options vested			0
Aggregate number of shares			407,500
2014 Stock Incentive Plan ("2014 Plan") | Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares reserve increase			4.00%
Number of shares in reserve			2,343,583
Number of stock options vested			686,515
Aggregate number of shares			450,000
Additional authorized shares	1,500,000	730,500
Maximum term of stock option grants			10 years