Quarterly report pursuant to Section 13 or 15(d)

Stock Compensation (Details Textual)

v3.19.2
Stock Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Nov. 30, 2016
Stock Compensation (Textual)      
Stock-based compensation expenses $ 71 $ 165  
2012 Equity Incentive Plan [Member]      
Stock Compensation (Textual)      
Common stock reserved for issuance 179,260    
Number of option granted 30,000    
Stock options exercisable, description Stock options generally vest and become exercisable with respect to 100% of the common stock.    
Number of shares vested 555,740    
Number of options unvested 115,000    
Vested options, weighted average remaining contractual life 6 years 9 months 7 days    
Vested options weighted average exercise price, per share $ 5.57    
2012 Equity Incentive Plan [Member] | Minimum [Member]      
Stock Compensation (Textual)      
Number of shares authorized for issuance     550,000
Vesting terms range 0 years    
2012 Equity Incentive Plan [Member] | Maximum [Member]      
Stock Compensation (Textual)      
Number of shares authorized for issuance     850,000
Vesting terms range 4 years    
Employee Stock Option [Member]      
Stock Compensation (Textual)      
Number of option granted 72,000    
Weighted average grant date fair value of stock options granted per shares $ 0.76