Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Stock Option Activity (Details)

v3.20.1
Stock Based Compensation - Stock Option Activity (Details) - Options
3 Months Ended
Mar. 31, 2020
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Number of options exercisable (in shares) | shares 3,128,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]  
Weighted average exercise price per option, exercisable (in usd per share) | $ / shares $ 2.38
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]  
Weighted Average Remaining Contractual Life (Years) 5 years 4 months 24 days
Directors, Officers, Consultants and Employees  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Number of options outstanding, beginning balance (in options) | shares 3,725,000
Number of options outstanding, granted (in options) | shares 0
Number of options outstanding, exercised (in options) | shares 0
Number of options outstanding, forfeited (in options) | shares 0
Number of options outstanding, expired (in options) | shares (12,500)
Number of options outstanding, ending balance (in options) | shares 3,712,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]  
Weighted average exercise price, beginning balance (in usd per option) | $ / shares $ 2.32
Weighted average exercise price per option granted, exercise price (in usd per option) | $ / shares
Weighted average exercise price per option exercised, exercise price (in usd per option) | $ / shares
Weighted average exercise price per option forfeited, exercise price (in usd per option) | $ / shares
Weighted average exercise price per option expired, exercise price (in usd per option) | $ / shares 2.74
Weighted average exercise price, ending balance (in usd per option) | $ / shares $ 2.31