Quarterly report [Sections 13 or 15(d)]

Summary of Significant Accounting Policies - Narrative (Details)

v3.25.1
Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Class of Stock [Line Items]      
Accumulated deficit $ 652,060,000   $ 648,513,000
Cash and cash equivalents 9,605,000 $ 77,757,000 19,627,000
Impairment of long-lived assets $ 0 $ 0  
Customer complementary membership period 75 days    
Contractual liabilities $ 5,820,000   6,340,000
Five Suppliers | Cost of Goods and Service, Product and Service Benchmark | Supplier Concentration Risk      
Class of Stock [Line Items]      
Concentration risk, percentage 40.00% 40.00%  
Deferred Revenue      
Class of Stock [Line Items]      
Contract with customer, liability, revenue recognized $ 2,700,000 $ 3,700,000  
Other Current Liabilities      
Class of Stock [Line Items]      
Contract with customer, liability, revenue recognized   $ 100,000 100,000
Deferred Revenue      
Class of Stock [Line Items]      
Contractual liabilities 5,800,000   6,300,000
Other Current Liabilities      
Class of Stock [Line Items]      
Contractual liabilities $ 0   $ 0