Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Stock option awards (Details)

v3.19.2
Stockholders' Equity - Stock option awards (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Stockholders' Equity    
Shares, Balance, January 1, 2019 290,000  
Shares, Granted 0  
Shares, Balance, March 31, 2019 290,000 290,000
Shares, Exercisable 236,667  
Weighted Average Exercise Price, Balance, January 1, 2019 $ 5.55  
Weighted Average Exercise Price, Granted 0  
Weighted Average Exercise Price, Balance, March 31, 2019 5.55 $ 5.55
Weighted Average Exercise Price, Exercisable, March 31, 2019 $ 5.23  
Remaining Contractual Life in Years, Granted 0 years  
Remaining Contractual Life in Years, Balance 3 years 8 months 12 days 4 years 2 months 12 days
Remaining Contractual Life in Years, Exercisable, March 31, 2019 3 years 8 months 12 days  
Aggregate Intrinsic Value, Balance, January 1, 2019 $ 0  
Aggregate Intrinsic Value, Granted $ 0  
Aggregate Intrinsic Value, Balance, March 31, 2019 $ 0 $ 0
Aggregate Intrinsic Value, Exercisable, March 31, 2019 $ 0