Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

v3.22.1
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Operating Loss Carryforwards [Line Items]    
Statutory US federal rate 21.00% 21.00%
Operating loss carryforwards   $ 99,500
Operating loss carryforwards with no expiration date $ 0  
Valuation allowance 36,000  
Research Tax Credit Carryforward [Member]    
Operating Loss Carryforwards [Line Items]    
Tax Credit Carryforward Expiration Year   2030
Federal [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 15,000  
Federal [Member] | Research Tax Credit Carryforward [Member]    
Operating Loss Carryforwards [Line Items]    
Tax credit carryforward, amount 2,500  
State [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 61,600  
State [Member] | Research Tax Credit Carryforward [Member]    
Operating Loss Carryforwards [Line Items]    
Tax credit carryforward, amount $ 1,600  
Minimum [Member] | Federal [Member]    
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards Expiration Year 2033  
Minimum [Member] | State [Member]    
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards Expiration Year   2033
Maximum [Member] | Federal [Member]    
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards Expiration Year 2037  
Operating Loss Carryforwards, Limitations on Use limited in their usage to 80% of annual taxable income.  
Maximum [Member] | State [Member]    
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards Expiration Year   2041