Quarterly report pursuant to Section 13 or 15(d)

Licensing and Other Arrangements - Rezolute - Additional Information (Details)

v3.19.2
Licensing and Other Arrangements - Rezolute - Additional Information (Details) - Rezolute [Member]
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 18 Months Ended 21 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Jan. 30, 2019
USD ($)
Jan. 07, 2019
USD ($)
CashPayment
Apr. 03, 2018
USD ($)
Obligation
shares
Dec. 06, 2017
USD ($)
shares
Feb. 28, 2019
USD ($)
Apr. 30, 2018
USD ($)
shares
Mar. 31, 2018
USD ($)
shares
Mar. 31, 2018
USD ($)
Jun. 30, 2019
USD ($)
Dec. 31, 2020
shares
Dec. 31, 2018
USD ($)
Dec. 31, 2020
USD ($)
Jun. 01, 2019
USD ($)
Sep. 30, 2020
USD ($)
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                
Contract revenue                   $ 0            
License Agreement [Member]                                
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                
Future milestone payments, maximum           $ 232,000,000                 $ 237,000,000  
Upfront option fee                             $ 1,000,000  
Agreement termination notice period           90 days                    
Reimbursable technology transfer expenses received         $ 300,000                      
Common stock value receivable       $ 8,500,000                        
Number of future cash payments upon closing of the qualified financing | CashPayment       5                        
Percentage of net proceeds of each future financing upon closing of the qualified financing       15.00%                        
License Agreement [Member] | Forecast [Member]                                
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                
Future cash payments upon closing of the qualified financing                               $ 8,500,000
License Agreement and Common Stock Purchase Agreement [Member]                                
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                
Eligible to receive in cash                 $ 6,000,000              
Eligible to receive common stock, financing activities                 $ 8,500,000              
Eligible to receive shares of common stock | shares                 7,000,000              
Gross proceeds from qualified financing   $ 20,000,000                            
Additional common stock receive for qualified financing   $ 8,500,000                            
Common stock, trading period   10 days                            
Contract revenue                     $ 8,000,000          
Common stock received | shares         8,093,010                      
Cash received         $ 500,000                      
Reimbursable technology transfer expenses received         $ 300,000                      
Number of performance obligations | Obligation         1                      
Upfront consideration to incremental discount for future payment         $ 0                      
Remaining performance obligations         0                      
License agreement transaction price         1,800,000                      
Value of common stock received         $ 1,000,000                      
Contract assets                     0   $ 0      
Contract liabilities                     0   0      
Capitalized contract costs                     0   0      
Doubtful revenue reversal of future cash payments                     2,500,000          
Consideration due upon qualified financing event                     5,500,000          
Future cash payments of revenue recognized                     2,500,000          
Outstanding receivable                     $ 2,500,000          
License Agreement and Common Stock Purchase Agreement [Member] | Licenses and Related Materials, Product Data/Filing, Process and Know-how [Member]                                
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                
Recognized the entire transaction price as revenue upon completion of delivery                         $ 1,800,000      
License Agreement and Common Stock Purchase Agreement [Member] | Forecast [Member]                                
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                
Eligible to receive, in order to maintain license agreement $ 15,000,000                              
Future cash payments upon closing of the qualified financing                           $ 2,900,000   $ 8,500,000
Common Stock Purchase Agreement [Member]                                
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                
Number of shares of common stock held for future issuance | shares           5,000,000                    
Common stock purchase agreement description                     Under the common stock purchase agreement, Rezolute granted the Company the right and option to sell the greater of (i) 5,000,000 shares of common stock or (ii) one third of the aggregate shares held by the Company upon failure by Rezolute to list its shares of its common stock on the Nasdaq Stock Market or a similar national exchange on or prior to December 31, 2018.          
Percentage of aggregate shares held for future issuance           33.33%                    
Cash received             $ 5,500,000                  
Reimbursable technology transfer expenses received             $ 300,000                  
Gross proceeds from preferred stock financing     $ 25,000,000                          
Common Stock Purchase Agreement [Member] | Interim Financing Closing and Initial Closing Financing Activities [Member]                                
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                
Common stock received | shares               8,093,010                
Cash received               $ 500,000                
Common Stock Purchase Agreement [Member] | Forecast [Member]                                
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                
Maximum number of shares of common stock sold back | shares                       5,000,000        
Number of shares of common stock sold back | shares                       2,500,000