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Share-Based Compensation (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Employees and Directors [Member]        
Number of shares provides for grant 105,000 651,600   651,600
Award vesting period 4 years 4 years   4 years
Award expiration term 10 years 10 years   10 years
Fair value of granted shares awarded $ 117 $ 456   $ 456
Employees Directors and Consultants [Member]        
Number of shares provides for grant     2,249,104  
Award vesting period     4 years  
Award expiration term     10 years  
Fair value of granted shares awarded     $ 2,615  
2013 Employee, Director and Consultant Equity Incentive Plan [Member]        
Number of shares authorized to grant 4,060,000   4,060,000  
Shares remain available for future grant 1,011,381   1,011,381  
Number of common stock shares outstanding 8,627   8,627  
Stock Award Plan [Member]        
Unrecognized stock-based compensation expenses $ 2,711   $ 2,711  
Weighted-average period of unrecognized stock-based compensation expense     3 years