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Equity - Plan Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Options Outstanding and Exercisable    
Exercise Price (in dollars per share) $ 4.07 $ 4.07
Number of shares 70,721  
Stock option activity    
Outstanding at the beginning of the period (in shares) 70,721 150,444
Granted (in shares) 250,000  
Exercised (in shares) 0 0
Forfeited / Expired (in shares)   (79,723)
Outstanding at the end of the year (in shares) 320,721 70,721
Exercisable at the end of the period (in shares) 70,721  
Weighted average exercise price    
Granted (in dollars per share) $ 4.22  
Outstanding at the end of the period (in dollars per share) 4.19  
Exercisable at the end of the period (in dollars per share) $ 4.07 $ 4.07
Additional Disclosures    
Outstanding at the end of the period, Weighted Average Remaining Contractual Life (Years) 8 years 5 months 12 days 4 years 6 months 18 days
Granted, Weighted Average Remaining Contractual Life (Years) 2 years 9 months 22 days  
Exercisable at the end of the period, Weighted Average Remaining Contractual Life (Years) 3 years 6 months 18 days  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]    
Stock Price on Grant Date $ 4.22 $ 1.85
Expected Dividend Rate 0.00% 0.00%
Expected Volatility 60.00% 60.00%
Exercise Price $ 4.22 $ 4.02
Risk Free Rate 3.08% 1.75%
Average expected stock option term (in years) 8 years 5 months 12 days 5 years
Expected annual dividend 0.00% 0.00%
Stock options    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]    
Total unrecognized compensation cost $ 0  
Amended And Restated Plan    
Stock option activity    
Outstanding at the beginning of the period (in shares) 444 444
Outstanding at the end of the year (in shares) 444 444
2016 Plan    
Stock option activity    
Outstanding at the beginning of the period (in shares) 70,277 150,000
Granted (in shares) 250,000  
Forfeited / Expired (in shares)   (79,723)
Outstanding at the end of the year (in shares) 320,277 70,277
4.02    
Options Outstanding and Exercisable    
Exercise Price (in dollars per share) $ 4.02  
Number of shares 70,277  
Weighted-Average Remaining Contractual Life (Years) 5 years 4 months 24 days  
Weighted average exercise price    
Exercisable at the end of the period (in dollars per share) $ 4.02  
11.40    
Options Outstanding and Exercisable    
Exercise Price (in dollars per share) $ 11.40  
Number of shares 444  
Weighted-Average Remaining Contractual Life (Years) 6 years  
Weighted average exercise price    
Exercisable at the end of the period (in dollars per share) $ 11.40