Quarterly report pursuant to Section 13 or 15(d)

Stock based compensation, options and warrants (Schedule of Award Activity) (Details)

v3.8.0.1
Stock based compensation, options and warrants (Schedule of Award Activity) (Details) - USD ($)
1 Months Ended 9 Months Ended
Mar. 31, 2017
Sep. 30, 2017
Sep. 30, 2016
Shares Underlying Options      
Exercised   (34,000)  
Nonqualified [Member]      
Shares Underlying Options      
Outstanding, beginning   527,003  
Granted 2,800,000 2,800,000  
Exercised    
Forfeited   (169,074)  
Outstanding, ending   3,157,929  
Exercisable   3,157,929  
Weighted Average Exercise Price      
Outstanding, beginning   $ 13.36  
Granted $ 3.50 3.54  
Exercised    
Forfeited   18.62  
Outstanding, ending   4.37  
Exercisable   $ 4.37  
Weighted Average Remaining Contractual Term      
Outstanding   2 years 3 months 19 days  
Exercisable   2 years 3 months 19 days  
Aggregate Intrinsic Value      
Outstanding   $ 4,534,000  
Exercisable   $ 4,534,000  
Stock Incentive Plan [Member]      
Shares Underlying Options      
Outstanding, beginning   566,747  
Granted   20,000  
Exercised   (34,000)  
Forfeited   (495,414) (25,445)
Outstanding, ending   57,333  
Exercisable   27,500  
Weighted Average Exercise Price      
Outstanding, beginning   $ 20.46  
Granted   4.02  
Exercised   2.89  
Forfeited   22.98  
Outstanding, ending   3.32  
Exercisable   $ 3.07  
Weighted Average Remaining Contractual Term      
Outstanding   9 years 1 month 6 days  
Exercisable   8 years 9 months 18 days  
Aggregate Intrinsic Value      
Outstanding   $ 105,700  
Exercisable   $ 57,500