XML 89 R65.htm IDEA: XBRL DOCUMENT v3.22.4
Warrants - Schedule of Key Terms of Placement Warrants (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Warrants exercised (in shares) 0 119,420
Warrants outstanding (in shares) 2,036,733 2,036,733
2017 Placement Warrants Liability    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Term 7 years  
Exercise price (USD per share) $ 3.17  
Warrants exercised (in shares) 0 118,868
Warrants outstanding (in shares) 1,500,022 1,500,022
2016 Placement Warrants Liability    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Term 7 years  
Exercise price (USD per share) $ 2.95  
Warrants exercised (in shares) 0 552
Warrants outstanding (in shares) 536,711 536,711