| Supplemental Balance Sheet Information [Table Text Block] |
| Balance Sheet Information | | | | | | | | |
| | | March 31, | | | December 31, | |
| Prepaid expenses and other | | 2025 | | | 2024 | |
| Prepaid expenses and deposits | | $ | 16,377 | | | $ | 17,314 | |
| Income tax receivable | | | 24 | | | | 217 | |
| Inventory | | | 3,904 | | | | 3,975 | |
| Assets held for sale | | | 1,800 | | | | - | |
| Prepaid expenses and other | | $ | 22,105 | | | $ | 21,506 | |
| | | | | | | | | |
| Other Assets | | | | | | | | |
| Investments | | $ | 2,012 | | | $ | 2,012 | |
| Contract costs | | | 2,113 | | | | 2,333 | |
| Total other assets | | $ | 4,125 | | | $ | 4,345 | |
| | | | | | | | | |
| Accounts payable and accrued liabilities | | | | | | | | |
| Accounts payable | | $ | 11,335 | | | $ | 9,009 | |
| Accrued liabilities | | | 17,545 | | | | 31,227 | |
| Total accounts payable and accrued liabilities | | $ | 28,880 | | | $ | 40,236 | |
| | | | | | | | | |
| Other Current Liabilities | | | | | | | | |
| Customer deposits | | $ | 16,418 | | | $ | 16,660 | |
| Accreditation fees payable | | | 661 | | | | 623 | |
| Income taxes payable | | | 797 | | | | 263 | |
| Total other current liabilities | | $ | 17,876 | | | $ | 17,546 | |
| | | March 31, | | | December 31, | |
| | | 2025 | | | 2024 | |
| Raw materials | | $ | 2,048 | | | $ | 2,051 | |
| Finished goods | | | 1,856 | | | | 1,924 | |
| Total Inventories | | $ | 3,904 | | | $ | 3,975 | |
|