Quarterly report pursuant to Section 13 or 15(d)

Stock based compensation, options and warrants (Other Common Stock Purchase Options and Warrants) (Narrative) (Details)

v3.8.0.1
Stock based compensation, options and warrants (Other Common Stock Purchase Options and Warrants) (Narrative) (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Mar. 31, 2017
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based compensation, operating expense   $ 108,568 $ 144,187 $ 379,622 $ 368,459  
Proceeds from issuance of common stock       1,913,509  
Private Placement [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Proceeds from issuance of common stock       $ 1,000,000    
Expiration date May 31, 2020          
Nonqualified [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Awards outstanding   3,157,929   3,157,929   527,003
Options granted 2,800,000     2,800,000    
Options granted, exercise price $ 3.50     $ 3.54    
Options forfeited       169,074    
Lapsed shares       60,000    
Number of lapsed options vested       15,000    
Number of lapsed options unvested       45,000    
Unvested exercise price   $ 0.00   $ 0.00    
Expired options       71,574    
Remaining forfeited options       37,500    
Nonqualified [Member] | Non Compensatory Rights [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Exercise price   $ 4.37   $ 4.37    
Awards outstanding   3,157,959   3,157,959    
Expiration date       Mar. 31, 2020    
Nonqualified [Member] | Compensatory Arrangements [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Exercise price   $ 3.78   $ 3.78    
Expiration date       Jul. 31, 2017    
Nonqualified [Member] | Warrants Exercise Price One [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Options granted 900,000          
Options granted, exercise price $ 3.50          
Nonqualified [Member] | Warrants Exercise Price Two [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Options granted 1,900,000          
Options granted, exercise price $ 3.56          
Nonqualified [Member] | Employees [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Options granted         95,000  
Share-based compensation, operating expense     $ 87,620 $ 6,820  
Options forfeited       95,000