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 ($)
3 Months Ended
Mar. 31, 2018
Feb. 14, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Warrants to purchase common stock 13,009    
Warrant [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Warrants to purchase common stock   100,000  
Common Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Warrants to purchase common stock 3,215    
Other common stock purchase options and warrants [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards outstanding 1,831,886   1,944,895
Proceeds from issuance of common stock $ 350,000    
Other common stock purchase options and warrants [Member] | Warrant [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Warrants to purchase common stock 100,000    
Other common stock purchase options and warrants [Member] | Common Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued 3,215