Annual report pursuant to Section 13 and 15(d)

Company Description and Summary of Significant Accounting Policies, Warrant Liabilities and Premium Conversion Derivatives Measured at Fair Value (Details)

v3.22.1
Company Description and Summary of Significant Accounting Policies, Warrant Liabilities and Premium Conversion Derivatives Measured at Fair Value (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]    
Reclassification of warrants from liability to equity $ 61,793  
Level 3 [Member] | Warrant Liabilities [Member]    
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]    
Balance as of beginning of period 27,964 $ 0
Value assigned to warrants upon in connection with pre-merger financing 0 25,821
Issuance of warrants to former Rexahn stockholders classified as a liability 0 768
Cash settlement of warrant liabilities 0 (506)
Change in fair value of warrant liabilities 33,829 1,945
Reclassification of warrants from liability to equity (61,793) (64)
Balance as of end of period 0 27,964
Level 3 [Member] | Premium Conversion Derivatives [Member]    
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]    
Balance as of beginning of period 0 2,714
Value assigned to the underlying derivatives in connection with convertible notes 0 831
Revaluation due to convertible note extinguishment 0 (3,086)
Change in fair value of premium conversion derivatives 0 (459)
Balance as of end of period 0 0
Nonrecurring Basis [Member]    
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]    
Financial instruments liabilities at fair value $ 0 $ 0