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SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION (Tables) | 12 Months Ended
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Jan. 31, 2025
SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION |
Schedule of other current assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2025 |  | 2024
Income tax refunds receivable and prepaid income taxes | ​ | $ | 30,881 | ​ | $ | 18,267
Note receivable | ​ | ​ | 5,023 | ​ |  | —
Prepaid expenses | ​ |  | 5,751 | ​ |  | 6,035
Raw materials inventory | ​ | ​ | 320 | ​ | ​ | 9,985
Other | ​ | ​ | 9,950 | ​ | ​ | 4,972
Total other current assets | ​ | $ | 51,925 | ​ | $ | 39,259
Schedule of accrued expenses | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2025 |  | 2024
Accrued project costs | ​ | $ | 31,620 | ​ | $ | 49,135
Accrued compensation | ​ | ​ | 29,772 | ​ | ​ | 21,206
Lease liabilities | ​ | ​ | 2,710 | ​ | ​ | 2,726
Other | ​ | ​ | 19,217 | ​ | ​ | 8,654
Total accrued expenses | ​ | $ | 83,319 | ​ | $ | 81,721

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