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Term Loan (Details Narrative) - USD ($)
2 Months Ended 3 Months Ended 6 Months Ended
Jul. 28, 2017
Feb. 08, 2016
Feb. 05, 2016
Sep. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Jul. 27, 2017
Number of warrants issued                 500,000
Warrants exercise price                 $ 6.60
Debt instrument, repayment of principal and unpaid interest             $ 2,102,341 $ 2,427,362  
Interest expense         $ 659,860 $ 848,395 $ 1,352,647 $ 2,171,110  
Hercules Technology Growth Capital, Inc. and Hercules Technology III, L.P. [Member]                  
Amount received under initial loan agreement   $ 25,000,000              
Debt instrument, interest rate     11.00%            
Debt instrument, minimum cash balance required to be maintained     $ 10,000,000            
Debt instrument, maturity date     Aug. 01, 2018            
Number of days to calculate volume-weighted average price of common stock             30 days    
Warrants repriced in connection with the sale of licenses             $ 77,000    
Additional loan discount         $ 200,000   $ 200,000    
Hercules Technology Growth Capital, Inc. and Hercules Technology III, L.P. [Member] | Loan Agreement [Member]                  
Debt instrument, repayment of principal and unpaid interest $ 5,000,000     $ 5,000,000          
Prepayment charge $ 100,000                
Second prepayment charge       $ 100,000          
Maturity date of amended loan servicing agreement Aug. 01, 2018                
Percentage of stock issuable upon exercise of the warrants 80.00%                
Hercules Technology Growth Capital, Inc. and Hercules Technology III, L.P. [Member] | Warrant [Member]                  
Number of warrants issued     105,691            
Warrants exercise price $ 4.62   $ 12.30            
Fair value of warrants classified as equity warrants     $ 633,749            
Hercules Technology Growth Capital, Inc. and Hercules Technology III, L.P. [Member] | Prime Rate [Member]                  
Debt instrument, basis spread on variable rate     6.00%