Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Narrative) (Details)

v3.19.1
Stockholders' Equity (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighted average grant-date fair value of stock options granted $ 0.80  
Dividend 0.00%  
Stock based compensation $ 2,060,304 $ 371,893
Unrecognized stock-based compensation expense $ 3,088,286  
Unrecognized stock-based compensation expense, recognition period 15 years 6 months  
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock based compensation $ 905,183 238,086
Equity Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock based compensation 186,800  
Equity Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock based compensation $ 1,155,121 $ 133,807
Common stock warrants [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding warrants to purchase 9,030,730  
Weighted-average exercise price $ 1.89