Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v3.8.0.1
Stockholders' Equity (Details Textual) - USD ($)
1 Months Ended 9 Months Ended
Aug. 03, 2017
Jun. 08, 2017
Apr. 07, 2017
Mar. 13, 2017
Mar. 13, 2016
Jun. 30, 2017
Mar. 31, 2017
Feb. 28, 2017
Jan. 31, 2017
Sep. 30, 2016
Jul. 27, 2016
Mar. 17, 2015
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Apr. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Common Stock, Shares, Issued                         25,232,139   15,165,244  
Common Stock, Shares Authorized                         50,000,000   50,000,000  
Common Stock, Par or Stated Value Per Share                         $ 0.0001   $ 0.0001  
Common Stock, Voting Rights                         (1.1)      
Warrants Issued             16,000   2,134,193              
Payments of Stock Issuance Costs                         $ 5,674,000 $ 0    
Preferred Stock, Shares Authorized                         2,000,000   2,000,000  
Preferred Stock, Par or Stated Value Per Share                         $ 0.0001   $ 0.0001  
Stock Issued During Period, Value, Issued for Services               $ 1,700,000         $ 1,234,000      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights                         The remaining 50% (“The Performance Options”) vest and become exercisable upon the occurrence of the following milestones being achieved: (i) 25% of the Performance Options vest upon the dosing of the first patient in the first Phase 2 clinical trial of any Company product candidate, (ii) 25% of the Performance Options vest upon the dosing of the first patient in the first Phase 2 clinical trial of a second Company product candidate, (iii) 25% of the Performance Options vest upon the Company’s achievement of a fully-diluted market capitalization of $500,000,000 and (iv) 25% of the Performance Options vest upon the Company’s achievement of a fully-diluted market capitalization of $1,000,000,000.      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value                         $ 5,730,000      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate                         0.00%      
Class Of Warrant Or Right, Percentage Of Warrant Issued                         25.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price                         $ 5.73      
Director [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Allocated Share-based Compensation Expense                         $ 4,900      
Restricted Stock [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Allocated Share-based Compensation Expense                         $ 1,000,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross                         180,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term                         3 years 6 months 11 days      
Restricted Stock [Member] | Director [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   180,000                     10,000      
Restricted Stock Units (RSUs) [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Allocated Share-based Compensation Expense                         $ 600,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross           110,000             110,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term                         2 years 3 months      
Employee Stock Option [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Allocated Share-based Compensation Expense                         $ 2,300,000      
Shares Issued, Price Per Share     $ 5.73                          
Stock Issued During Period, Shares, Issued for Services     200,000                          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term                         1 year 7 months 10 days      
General and Administrative Expense [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Allocated Share-based Compensation Expense                         $ 1,200,000 $ 300,000    
Common Stock [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Common Stock, Shares, Issued                     7,000,000          
Unregistered Common Stock [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Stock Issued During Period, Shares, New Issues             64,000   8,536,774              
Series A Preferred Stock [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Preferred Stock, Shares Issued                         250,000   250,000  
Common Stock, Shares Authorized                     250,000          
Stock Issued During Period, Shares, New Issues                         0      
Shares, Outstanding                         250,000   250,000  
Stock Issued During Period, Shares, Issued for Services                         0      
Stock Issued During Period, Value, Issued for Services                         $ 0      
Common Class B [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Stock Repurchased and Retired During Period, Shares                     7,200,000          
Common Class A [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Common Stock, Shares, Issued                         1,000,000   1,000,000  
Stock Issued During Period, Shares, New Issues                         0      
Shares, Outstanding                         1,000,000   1,000,000  
Stock Issued During Period, Shares, Issued for Services                         0      
Stock Issued During Period, Value, Issued for Services                         $ 0      
Preferred Class A [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Preferred Stock, Shares Issued                         250,000      
Preferred Stock, Shares Authorized                         2,000,000      
Preferred Stock, Par or Stated Value Per Share                         $ 0.0001      
Fortress Biotech, Inc [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Shares Of Common Stock, Percentage                         2.50%      
Shares Issued, Price Per Share       $ 5.73                        
Stock Issued During Period, Shares, Issued for Services       767,264                        
Stock Issued During Period, Value, Issued for Services       $ 4,400,000                        
Fortress Biotech, Inc [Member] | Common Stock [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Stock Issued During Period, Shares, New Issues                         215,269 47,870    
Fortress Biotech, Inc [Member] | Common Class B [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Common Stock, Shares, Issued         250,000                      
Diluted Outstanding Equity, Percentage         2.50%                      
National Holdings Corporation [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Warrants Issued 2,500                              
National Holdings Corporation [Member] | Unregistered Common Stock [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Stock Issued During Period, Shares, New Issues 10,000                              
City of Hope National Medical Center [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Stock Issued During Period, Shares, New Issues               293,588                
City of Hope National Medical Center [Member] | Original Agreement [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Payment Of Upfront Fees                       $ 2,000,000        
City of Hope National Medical Center [Member] | Common Stock [Member] | Original Agreement [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Shares, Issued                         293,588      
City of Hope National Medical Center [Member] | Common Class A [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Shares, Issued                         1,000,000      
City of Hope National Medical Center [Member] | Common Class A [Member] | Original Agreement [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners                               10.00%
Shares, Outstanding                               1,000,000
National Securities, Inc [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Percentage Of Placement Agent Fee                   10.00%            
Percentage Of Shares Issued To Placement Agent 10.00%                 10.00%            
Warrants Issued 1,000           6,400   853,677              
Private Placement [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Warrant Purchase Price Per Unit                   $ 65,000            
Stock Issued During Period, Shares, New Issues                   10,000            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                   2,500       2,500    
Class of Warrant or Right, Exercise Price of Warrants or Rights                   $ 8.50     $ 8.50 $ 8.50    
Private Placement [Member] | National Holdings Corporation [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Percentage Of Placement Agent Fee             10.00%   10.00%              
Percentage Of Shares Issued To Placement Agent             10.00%   10.00%              
Payments of Stock Issuance Costs             $ 42,000   $ 5,500,000              
Proceeds from Issuance of Private Placement $ 65,000           $ 400,000   $ 55,500,000