Stock-Based Compensation (Details Textual) - USD ($) | Nov. 15, 2014 | Nov. 16, 2015 | Oct. 30, 2015 | Sep. 23, 2015 | Apr. 20, 2015 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Aug. 31, 2014 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Warrants Outstanding, Weighted Average ExercisePrice | | | | | | $ 3.16 | | $ 3.16 | | |
Share-based Compensation, Total | | | | | | | | $ 6,539,995 | $ 54,159 | |
General and Administrative Expense, Total | | | | | | $ 2,588,823 | $ 1,702,609 | 11,937,440 | 3,397,378 | |
Research and Development Expense, Total | | | | | | 5,715,380 | 2,698,152 | 12,093,649 | 6,820,980 | |
Restricted Common Stock Shares Authorized | | | | | | | | | | 179,969 |
Stock Issued During Period, Shares, New Issues | | 240,000 | | | | | | | | |
Employee Stock Option [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total | | | | | | 418,056 | | $ 418,056 | | |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | | | | | | | | 2 years 2 months 12 days | | |
Share-based Compensation, Total | | | | | | 36,576 | 20,490 | $ 115,054 | 54,159 | |
General and Administrative Expense, Total | | | | | | 2,050 | 4,777 | 5,010 | 14,331 | |
Research and Development Expense, Total | | | | | | 34,526 | $ 15,713 | $ 110,044 | $ 39,828 | |
Common Stock [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Stock Issued During Period, Shares, New Issues | | | | | | | | 934,580 | | |
Non Employee Director [Member] | Employee Stock Option [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | | | | | 3 years | | | | | |
Share-based Compensation, Total | | | | | | 4,339 | | $ 36,765 | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | | 145,000 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition | | | | | | 4,339 | | | | |
Exercise Price Of Company Stock | | | | | $ 3.90 | | | | | |
Share Based compensation Arrangement By Share Based Payment Award Stock Options Value | | | | | $ 493,243 | | | | | |
Employees And Consultants [Member] | Common Stock [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Share-based Compensation, Total | | | | $ 362,500 | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | 145,000 | | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition | | | | | | 362,500 | | $ 362,486 | | |
Director [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Restricted Common Stock Shares Authorized | | | | | | | | | | 179,969 |
Stock Issued During Period, Shares, New Issues | | | 3,000,000 | | | | | | | |
Director [Member] | Common Stock [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | | | | | | | | 179,969 | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | | | | | | | | 179,969 | | |
Board of Directors Chairman [Member] | Employee Stock Option [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition | | | | | | | | $ 36,765 | | |
Board of Directors Chairman [Member] | Common Stock [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Share-based Compensation, Total | | | | | $ 55,871 | 0 | | 55,871 | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | | 14,326 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition | | | | | | 0 | | 55,870 | | |
President [Member] | Employee Stock Option [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Share-based Compensation, Total | | | | | | 0 | | 4,940,000 | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | | 1,493,374 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition | | | | | | $ 0 | | $ 4,940,000 | | |
Exercise Price Of Company Stock | | | | | $ 5.50 | | | | | |
Share Based compensation Arrangement By Share Based Payment Award Stock Options Value | | | | | $ 4,940,000 | | | | | |
Percentage Of vested Upon Issuance | | | | | 100.00% | | | | | |
Share based Compensation Arrangement By Share based Payment Award Options Exercisable Contractual Term1 | | | | | 10 years | | | | | |
Non Employee [Member] | Warrant [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number | | | | | | 1,230,575 | 820,575 | 1,230,575 | 820,575 | |
Maximum [Member] | Non Employee [Member] | Warrant [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Warrants Outstanding, Weighted Average ExercisePrice | | | | | | $ 7.50 | | $ 7.50 | | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms | | | | | | | | 7 years 9 months | | |
Minimum [Member] | Non Employee [Member] | Warrant [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Warrants Outstanding, Weighted Average ExercisePrice | | | | | | $ 1 | | $ 1 | | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms | | | | | | | | 5 years | | |
Restricted Stock [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total | | | | | | $ 2,870,931 | $ 429,979 | $ 2,870,931 | $ 429,979 | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms | | | | | | | | 3 years 3 months | 6 years 8 months 16 days | |
Share Based Compensation Arrangement By Share Based Payment Restricted Stock Awards To Purchase Number | | | | | | | | 845,031 | 134,278 | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | | | | | | | | 179,969 | 0 | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | | | | | 845,031 | 0 | |
Restricted Stock [Member] | Common Stock [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Stock Issued During Period, Shares, New Issues | | | | | | 23,483 | | 179,969 | | |
Restricted Stock [Member] | Board of Directors Chairman [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Share-based Compensation, Total | | | | | | $ 69,994 | | $ 605,200 | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 179,969 | | | | | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition | | | | | | 69,991 | | 605,182 | | |
Restricted Stock Units (RSUs) [Member] | Board of Directors Chairman [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Share-based Compensation, Total | | | | | | 174,596 | | 312,333 | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | | | | | 716,291 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition | | | | | | 174,596 | | 312,261 | | |
Restricted Stock Award Exercise Price | | | | | $ 3.90 | | | | | |
Share Based compensation Arrangement By Share Based Payment Award Restricted Stock Units Value | | | | | $ 2,793,535 | | | | | |
Percentage of shares vested on second anniversary of the grant date | | | | | 25.00% | | | | | |
Percentage of shares vested on third anniversary of the grant date | | | | | 25.00% | | | | | |
Percentage of shares vested on fourth anniversary of the grant date | | | | | 50.00% | | | | | |
Restricted Stock Units (RSUs) [Member] | President [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | | | | | 61,432 | | | | | |
Restricted Stock Units (RSUs) [Member] | President and Board Of Directors Chairman [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Share-based Compensation, Total | | | | | | 62,761 | | 112,272 | | |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition | | | | | | $ 62,761 | | $ 112,259 | | |
Restricted Stock Award Exercise Price | | | | | $ 3.90 | | | | | |
Share Based compensation Arrangement By Share Based Payment Award Restricted Stock Units Value | | | | | $ 502,086 | | | | | |
Percentage of shares vested on second anniversary of the grant date | | | | | 50.00% | | | | | |
Percentage of shares vested on first anniversary of the grant date | | | | | 50.00% | | | | | |
Restricted Stock Units (RSUs) [Member] | Board Chairman [Member] | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | | | | | 67,308 | | | | | |