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Loans and Convertible Notes Payable - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Aug. 06, 2021
Dec. 31, 2021
Dec. 31, 2020
Jun. 30, 2021
Debt Instrument [Line Items]        
Avenue warrant value   $ 1,309    
Fair value of warrants reclassified from liability to equity     $ 6,199  
Interest expense incurred   $ 675    
Secured Convertible Notes Payable [Member]        
Debt Instrument [Line Items]        
Debt instrument, principal face amount $ 2,000      
Series E Preferred Stock [Member]        
Debt Instrument [Line Items]        
Debt instrument, conversion price       $ 1,500
Series E Preferred Stock [Member] | Secured Convertible Notes Payable [Member]        
Debt Instrument [Line Items]        
Debt instrument maturity date Oct. 30, 2024      
Debt instrument, conversion price $ 1,198      
Term Loan from Avenue Venture Opportunities Fund L.P [Member]        
Debt Instrument [Line Items]        
Debt instrument maturity date Aug. 01, 2024      
Debt instrument, interest rate 7.70%      
Debt instrument, interest rate 10.95% 10.95%    
Debt instrument, interest rate term The Avenue Loan bears interest at an annual rate equal to the greater of (a) the sum of 7.70% plus the prime rate as reported in The Wall Street Journal and (b) 10.95%. The interest rate at December 31, 2021 was 10.95%. The Avenue Loan is secured by all of the Company’s assets globally, including intellectual property.      
Initial tranche of loan $ 15,000      
Loan amount funded into restricted account 4,000      
Gross proceeds from ATM Offering 20,000      
Second tranche of loan $ 5,000      
Debt instrument, conversion price $ 11.98      
Frequency of periodic payment monthly      
Periodic interest payments, term 15 months      
Debt instrument, incremental final payment 4.25%      
Debt instrument, commitment fee $ 150      
Debt instrument, commitment fee, percentage 1.00%      
Debt instrument, commitment fee upon funding of second tranche of loan $ 200      
Original issue discount 637      
Cash issuance costs 563      
Debit discount 519      
Fair value of warrants reclassified from liability to equity 44      
Aggregate debt discount $ 2,327      
Amortization of debt discount   $ 323    
Current interest rate 7.70%      
Term Loan from Avenue Venture Opportunities Fund L.P [Member] | Warrant [Member]        
Debt Instrument [Line Items]        
Warrants issued to purchase of common stock 127,755      
Warrant exercise price $ 0.01      
Warrants, maturity date Aug. 31, 2026      
Fair value of the Avenue Warrant $ 1,171      
Term Loan from Avenue Venture Opportunities Fund L.P [Member] | Maximum [Member]        
Debt Instrument [Line Items]        
Debt instrument, principal face amount 20,000      
Debt instrument, converted amount $ 3,000      
Periodic interest payments, term 24 months      
Prepayment fee, percentage 3.00%      
Term Loan from Avenue Venture Opportunities Fund L.P [Member] | Minimum [Member]        
Debt Instrument [Line Items]        
Prepayment fee, percentage 1.00%      
Term Loan from Avenue Venture Opportunities Fund L.P [Member] | Non Convertible Debt [Member]        
Debt Instrument [Line Items]        
Aggregate debt discount $ 1,909      
Amortization of debt discount   265    
Term Loan from Avenue Venture Opportunities Fund L.P [Member] | Convertible Debt [Member]        
Debt Instrument [Line Items]        
Aggregate debt discount $ 418      
Amortization of debt discount   $ 58    
Eight Point Zero Percentage July Two Thousand And Nineteen Notes [Member] | Convertible Notes Payable [Member]        
Debt Instrument [Line Items]        
Debt instrument, interest rate   8.00%    
Current interest rate   8.00%    
Interest expense incurred   $ 160 $ 160