Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Stock based compensation, options and warrants (Schedule of Stock-based Compensation) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock-based compensation $ 108,568 $ 144,187 $ 379,622 $ 368,459
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock-based compensation 100,396 188,572
Stock options awards under the Plan Member [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock-based compensation 8,172 137,367 103,430 361,639
Non-qualified stock option awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock-based compensation $ 6,820 $ 87,620 $ 6,820