Consolidated Balance Sheet Components - Accounts Receivable, Net (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | $ 11,512 | $ 12,306 |
| Less: Allowance for doubtful accounts | (236) | (236) |
| Total | 11,276 | 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 | 4,603 | 4,244 |
| Unbilled receivables | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | 0 | 27 |
| Deposits | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | 1,561 | 2,703 |
| Other receivables | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | $ 5,348 | $ 5,234 |