Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

v3.19.1
Stockholders' Equity (Details) - Restricted Stock [Member]
3 Months Ended
Mar. 31, 2019
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Units, Nonvested Beginning Balance | shares 2,932,106
Number of Units, Granted | shares 713,000
Number of Units, Vested | shares (93,647)
Number of Units, Nonvested Ending Balance | shares 3,551,459
Weighted Average Exercise Price, Nonvested Beginning Balance | $ / shares $ 4.22
Weighted Average Grant Date Fair Value, Granted | $ / shares 3.25
Weighted Average Grant Date Fair Value, Vested | $ / shares 1.22
Weighted Average Exercise Price, Nonvested Ending Balance | $ / shares $ 4.24