Consolidated Balance Sheet Components - Accounts Receivable, Net (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | $ 9,768 | $ 12,306 |
| Less: Allowance for doubtful accounts | (236) | (236) |
| Total | 9,532 | 12,070 |
| Trade accounts receivable | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | 0 | 98 |
| Receivables from customers, clients and liquidity partners | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | 2,991 | 4,244 |
| Unbilled receivables | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | 40 | 27 |
| Deposits | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | 1,666 | 2,703 |
| Other receivables | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | $ 5,071 | $ 5,234 |