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Equity Instruments (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Jul. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Jun. 02, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common Stock, Option Repricing Program Description Board of Directors approved a common stock option repricing program whereby previously granted and unexercised options held by current employees, consultants and directors with exercise prices above $6.00 per share were repriced on a one-for-one basis to $3.23 per share      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   441,999    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 3.23    
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost $ 318,000      
Placement Agent warrants [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Warrants Not Settleable in Cash, Fair Value Disclosure   $ 347,000    
Share Based Compensation Share Warrants Issued On Placement Agents For Registered Offering     109,375  
Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 316,051      
Employee Stock Option [Member] | Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 6.72      
Employee Stock Option [Member] | Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 18.12      
2015 Stock Option and Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Deferred Compensation Arrangement with Individual, Shares Authorized for Issuance       833,334
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   833,334    
Share Based Compensation Share Warrants Issued To Investors   84,918    
Share Based Compensation Share Warrants Issued Weighted Average Exercise Price   $ 4.00