Quarterly report pursuant to Section 13 or 15(d)

Stock based compensation, options and warrants (Schedule of Recognized Stock-based Compensation) (Details)

v3.19.3
Stock based compensation, options and warrants (Schedule of Recognized Stock-based Compensation) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation $ 81,362 $ 1,655,160 $ 431,430 $ 4,147,189
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation 81,362 1,434,650 372,932 3,634,192
Stock options awards under the Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation $ 220,510 $ 58,498 $ 512,997