Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v3.10.0.1
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
 3 Months Ended 6 Months Ended 11 Months Ended 12 Months Ended
Nov. 30, 2018
Aug. 31, 2018
May 31, 2018
Feb. 28, 2018
Nov. 30, 2017
Aug. 31, 2017
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2018
May 31, 2019
May 31, 2018
Dec. 31, 2017
Nov. 08, 2018
Jun. 07, 2018
Aug. 24, 2017
Aug. 23, 2017
Apr. 30, 2010
Summary Of Significant Accounting Policies [Line Items]                                  
Net loss $ (14,305,380) $ (14,413,569) $ (9,623,623) $ (17,950,100) $ (10,947,685) $ (11,628,273) $ (28,718,950) $ (22,575,959)                  
Accumulated (deficit) (201,858,345)   (173,139,396)       (201,858,345)   $ (201,858,345)   $ (173,139,396)            
Balance in excess of federally insured limits 500,000   1,100,000       500,000   500,000   1,100,000            
Impairment charges             0 0                  
Pre-launch inventory qualified for capitalization $ 0   $ 0       $ 0   $ 0   $ 0            
Estimated future unvested forfeitures             0.00%                    
Common stock, shares authorized 600,000,000   375,000,000       600,000,000   600,000,000   375,000,000     450,000,000 375,000,000 350,000,000 100,000,000
Treasury stock, par value     $ 0.001               $ 0.001            
Treasury stock, shares                     159,011            
Debt discount   $ 626,242 $ 0               $ 0            
Amortization of discount on convertible notes $ 52,954       728,843   $ 117,534 1,172,995                  
Direct costs associated with the convertible notes             100,000       400,000            
Amortization of debt issuance costs             $ 19,589 $ 282,129                  
Common stock options and warrants to purchase             155,836,676 87,551,801                  
Unrecognized benefits 0           $ 0   $ 0                
Federal statutory income tax rate, percent                 21.00%     35.00%          
Effective income tax rate reconciliation, at blended income tax rate, percent                 28.62%                
Tax cuts and jobs act of 2017, incomplete accounting, change in tax rate, deferred tax liability, provisional income tax benefit                     17,497,051            
Provision for taxes on income 2,826,919           2,826,919       0            
Deferred Income Tax Expense Benefit 2,826,919           (2,826,919)                    
Derivative liability 2,826,919           2,826,919   $ 2,826,919                
Equity Securities                                  
Summary Of Significant Accounting Policies [Line Items]                                  
Deferred offering costs 2,700,000   3,500,000   $ 600,000   2,700,000 $ 600,000 2,700,000   3,500,000            
Scenario, Forecast | ProstaGene, LLC                                  
Summary Of Significant Accounting Policies [Line Items]                                  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent                   21.00%              
Short-Term Convertible Notes                                  
Summary Of Significant Accounting Policies [Line Items]                                  
Debt discount 0   0       0   0   0            
Amortization of debt issuance costs             20,000 300,000                  
Short-Term Convertible Notes | Detachable Common Stock Warrants                                  
Summary Of Significant Accounting Policies [Line Items]                                  
Debt discount $ 600,000   $ 1,500,000       600,000   $ 600,000   $ 1,500,000            
Amortization of discount on convertible notes             $ 117,500 $ 1,200,000                  
Series B Convertible Preferred Stock                                  
Summary Of Significant Accounting Policies [Line Items]                                  
Preferred Stock Shares authorized to be issued 400,000   400,000       400,000   400,000   400,000            
Common stock options and warrants to purchase 92,100   92,100       92,100   92,100   92,100            
Common shares issued upon conversion of preferred stock             921,000                    
Maximum                                  
Summary Of Significant Accounting Policies [Line Items]                                  
Common stock, shares authorized                         600,000,000        
Preferred Stock Shares authorized to be issued 5,000,000           5,000,000   5,000,000                
Minimum                                  
Summary Of Significant Accounting Policies [Line Items]                                  
Common stock, shares authorized                         450,000,000