Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v3.19.1
Stock-Based Compensation (Details) - Restricted stock awards
3 Months Ended
Mar. 31, 2019
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Unvested, December 31, 2018 | shares 900,000
Granted | shares 0
Released | shares (450,000)
Unvested, March 31, 2019 | shares 450,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Unvested, December 31, 2018 | $ / shares $ 0.19
Granted | $ / shares 0
Released | $ / shares 0.19
Unvested, March 31, 2019 | $ / shares $ 0.19