Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

v3.10.0.1
Stockholders' Equity (Details) - Employee Stock Option [Member] - $ / shares
 6 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares Nonvested at December 31, 2017 1,241,675  
Number of Nonvested, Options granted 0  
Number of Shares Nonvested at June 30, 2018 1,241,675 1,241,675
Options vested and exercisable at June 30, 2018 285,419  
Weighted Average Grant Date Fair Value Nonvested at Balance $ 5.73  
Weighted Average Exercise Price, Options granted 0  
Weighted Average Grant Date Fair Value Nonvested at Balance 5.73 $ 5.73
Weighted Average Exercise Price, Options vested and exercisable $ 5.73  
Weighted Average Remaining Contractual Life, Options outstanding (in years) 8 years 9 months 22 days 9 years 3 months 22 days
Weighted Average Remaining Contractual Life, Options granted (in years) 0 years  
Weighted Average Remaining Contractual Life, Options vested and exercisable (in years) 8 years 9 months 22 days