Annual report pursuant to Section 13 and 15(d)

DEVELOPMENT AWARDS AND DEFERRED REVENUE (Details Narrative)

v3.20.4
DEVELOPMENT AWARDS AND DEFERRED REVENUE (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 26, 2018
Jul. 31, 2020
May 31, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Jun. 30, 2019
Entity Listings [Line Items]                  
Contract with Customer, Liability, Revenue Recognized           $ (3,937,230)      
Revenue           3,937,230 $ 36,143,568    
Additional paid in capital, fair value of warrant issued           $ 807,149      
CFF Warrant [Member]                  
Entity Listings [Line Items]                  
Warrant exercisable price per share         $ 13.20 $ 13.20      
Cystic Fibrosis Foundation [Member]                  
Entity Listings [Line Items]                  
Payments for royalty     $ 2,700,000            
Collaboration and License Agreement [Member] | Kaken Pharmaceutical Co., Ltd. [Member]                  
Entity Listings [Line Items]                  
Upfront payment, received from related party       $ 27,000,000          
Consideration receivable on milestone payments       $ 173,000,000          
Royalty term description       The “Royalty Term” means the period beginning on the date of the first commercial sale of the Licensed Product in Japan and ends on the latest of (i) the expiration of the last valid claim of the royalty patents covering such Licensed Product in Japan, (ii) the expiration of regulatory exclusivity for such Licensed Product for such Initial Indication in Japan, or (iii) ten (10) years after the first commercial sale of such Licensed Product for such Initial Indication in Japan. The Agreement may be terminated by either party for material breach, upon a party’s insolvency or bankruptcy or upon a challenge by one party of any patents of the other party, and Kaken may terminate in specified situations, including for a safety concern or clinical failure, or at its convenience following the second anniversary of the first commercial sale of a Licensed Product in either of the Initial Indications in the Territory, with 180 days’ notice.          
Revenue from related parties, recorded as deferred revenue       $ 27,000,000          
Contract with Customer, Liability, Revenue Recognized         $ 27,000,000        
Royalty payable     $ 27,000,000           $ 27,000,000
Cystic Fibrosis Program Related Investment Agreement [Member] | Phase 2b Clinical Trial [Member]                  
Entity Listings [Line Items]                  
Warrants [Text Block]           $ 22,500,000      
Loans Payable         $ 2,500,000 2,500,000      
Cystic Fibrosis Program Related Investment Agreement [Member] | Maximum [Member]                  
Entity Listings [Line Items]                  
Gain Contingency, Unrecorded Amount $ 25,000,000                
Collaboration Agreement [Member] | Cystic Fibrosis Foundation [Member]                  
Entity Listings [Line Items]                  
Royalty payment percentage 10.00%                
Investment Agreement [Member] | 2018 CFF Award [Member]                  
Entity Listings [Line Items]                  
Revenue           $ 3,937,230 9,143,568    
Investment Agreement [Member] | CFF Warrant [Member]                  
Entity Listings [Line Items]                  
Warrant to purchase of common stock         1,000,000 1,000,000      
Warrant exercisable price per share         $ 9.46 $ 9.46      
Warrants expiration term         Jan. 26, 2025 Jan. 26, 2025      
Investment Agreement [Member] | CFF Warrant [Member] | Immediately Exercisable Warrants [Member]                  
Entity Listings [Line Items]                  
Warrant to purchase of common stock         500,000 500,000      
Investment Agreement [Member] | CFF Warrant [Member] | Warrants Exercisable On Completion Of Final Milestone [Member]                  
Entity Listings [Line Items]                  
Warrant to purchase of common stock         500,000 500,000      
Investment Agreement [Member]                  
Entity Listings [Line Items]                  
Revenue   $ 22,500,000       $ 5,000,000 $ 5,000,000 $ 12,500,000  
Investment Agreement [Member] | Cystic Fibrosis Foundation Warrants [Member]                  
Entity Listings [Line Items]                  
Revenue           25,000,000      
Additional paid in capital, fair value of warrant issued           6,215,225      
Revenue to be recognized         $ 18,784,775 $ 18,784,775      
Research and development period           3 years