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Stock-Based Compensation (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
qtr
shares
Mar. 31, 2019
USD ($)
shares
Restricted Stock Units [Member]    
Share-based Compensation [Abstract]    
Stock-based compensation expense $ (6) $ 27
Granted performance-based RSUs (in shares) | shares 510,000 350,000
Aggregate fair value for performance-based RSUs $ 600  
Granted time-based RSUs (in shares) | shares 30,000 300,000
Aggregate fair value for time-based RSUs $ 21 $ 800
Number of quarters time-based RSU's will vest quarterly | qtr 8  
Period in which time-based RSU's will vest annually in equal amounts 3 years  
Vesting period of performance based RSU's 3 years  
Percentage of awards based on obtaining revenue targets 50.00%  
Restricted Stock Units [Member] | Minimum [Member]    
Share-based Compensation [Abstract]    
Requisite service period for time-based RSU's 1 year  
Restricted Stock Units [Member] | Maximum [Member]    
Share-based Compensation [Abstract]    
Requisite service period for time-based RSU's 3 years  
Stock Option [Member]    
Share-based Compensation [Abstract]    
Stock-based compensation expense $ 147 $ 570