Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

v3.19.2
Stockholders' Equity (Details) - Employee Stock Option - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Nonvested Beginning 1,241,675  
Options granted 0  
Number of Nonvested Ending 1,241,675 1,241,675
Options vested and exercisable at March 31, 2019 310,417  
Weighted Average Exercise Price, Beginning $ 5.73  
Weighted Average Exercise Price, Options granted 0  
Weighted Average Exercise Price, Ending 5.73 $ 5.73
Weighted Average Exercise Price, Options vested and exercisable $ 5.73  
Weighted Average Remaining Contractual Life, Options outstanding (in years) 7 years 9 months 22 days 8 years 3 months 22 days
Weighted Average Remaining Contractual Life, Options vested and exercisable (in years) 7 years 9 months 22 days