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Stock Based Compensation (Details Textual)
6 Months Ended
Mar. 31, 2017
USD ($)
$ / shares
shares
Employee Stock Option [Member]  
Class of Stock [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares 582,500
Subsidiary Option Grants [Member]  
Class of Stock [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares 810,500
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares $ 1
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued | $ $ 75,000
Deferred Compensation, Share-based Payments [Member]  
Class of Stock [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares 228,000
Xcede joint venture [Member] | Subsidiary Option Grants [Member]  
Class of Stock [Line Items]  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options | $ $ 202,000
Employee Stock Plan [Member]  
Class of Stock [Line Items]  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options | $ $ 160,000