Quarterly report pursuant to Section 13 or 15(d)

Related party transactions (Details)

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Related party transactions (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2014
shares
Dec. 31, 2013
USD ($)
shares
Sep. 30, 2015
USD ($)
company
$ / shares
Sep. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
shares
$ / shares
Related Party Transaction [Line Items]          
Number of affiliated companies | company     2    
Interest Paid     $ 91,076 $ 294,219  
Michaelson Capital Special Finance Fund LP. [Member] | Convertible debentures          
Related Party Transaction [Line Items]          
Related party debt, stated interest rate   4.00%      
Debt Instrument, Term   3 years      
Conversion price in usd per share | $ / shares     $ 4.80   $ 5.40
Debt Issuance Cost   $ 147,577      
Debt conversion, amount converted   $ 1,000      
Current portion of convertible debentures, related party         $ 3,000,000
Michaelson Capital Special Finance Fund LP. [Member] | Convertible debentures | Common Stock [Member]          
Related Party Transaction [Line Items]          
Debt conversion, number of shares issued | shares   185.19      
Common stock issuable upon conversion | shares 625,000       555,556