v3.26.1
Summary of Business and Significant Accounting Policies- Additional Information (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Segment
$ / shares
shares
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Apr. 13, 2026
shares
$ / shares
Mar. 23, 2026
USD ($)
Aug. 22, 2025
$ / shares
shares
Significant Accounting Policies [Line Items]            
Effective price per share price of warrant after reverse stock split | $ / shares           $ 87.82
Cash, cash equalents, restricted cash, and short-term investments $ 26,473   $ 26,947      
Working capital deficit 138,983          
Accumulated deficit (915,759)   (872,146)      
Net losses excluding effect of gain on sale of businesses 43,613 $ 19,993        
Net loss $ (43,613) $ (4,250)        
Number of operating segments | Segment 1          
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] srt:ChiefExecutiveOfficerMember          
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description The chief operating decision maker assesses performance for the single operating segment and decides how to allocate resources based on net (loss) income that also is reported on the income statement as consolidated net (loss) income.          
Percentage of cash and cash equivalents held 69.00%          
Allowance for credit losses $ 1,426   $ 1,454      
Class A Common Stock            
Significant Accounting Policies [Line Items]            
Number of shares issuable per warrant prior to reverse stock split | shares           1.571428
Number of shares issuable per warrant after reverse stock split | shares 0.130952         0.130952
Effective price per share price of warrant after reverse stock split | $ / shares $ 87.82          
Class A Common Stock | Subsequent Event            
Significant Accounting Policies [Line Items]            
Number of shares purchasable per warrant | shares       0.131    
Exercise price | $ / shares       $ 11.5    
Accounts Receivable | Customer Concentration Risk | Customer One            
Significant Accounting Policies [Line Items]            
Concentration risk, percentage 10.00%   10.00%      
Revenue | Customer Concentration Risk | U.S. Federal Government            
Significant Accounting Policies [Line Items]            
Concentration risk, percentage 19.00% 18.00%        
Assets | Geographic Concentration Risk | Single Customer | United States            
Significant Accounting Policies [Line Items]            
Concentration risk, percentage 98.00%   99.00%      
Accounts Payable | Supplier Concentration Risk | One Vendor            
Significant Accounting Policies [Line Items]            
Concentration risk, percentage 10.00%   10.00%      
Purchases | Supplier Concentration Risk | One Vendor            
Significant Accounting Policies [Line Items]            
Concentration risk, percentage 10.00% 10.00%        
Amendment No. 1 and Waiver to 2025 Senior Term Loan            
Significant Accounting Policies [Line Items]            
Mandatory prepayment of loan $ 20,000       $ 20,000