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Note 4 - Revenue From Contracts With Customers (Tables) | 12 Months Ended
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Jan. 31, 2025
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Twelve Months Ended January 31, |
|  | 2025 |  |  | 2024 |
|  | (in thousands) |
Total revenue recognized at a point in time |  | $ | 45,189 |  |  | $ | 35,556 |
Total revenue recognized over time |  | $ | 1,674 |  |  | $ | 954 |
Total revenue from contracts with customers |  | $ | 46,863 |  |  | $ | 36,510 |
|  | Twelve Months Ended January 31, |
|  | 2025 |  |  | 2024 |
Revenue from contracts with customers: |  | (in thousands) |
United States |  | $ | 2,478 |  |  | $ | 1,086 |
China |  |  | 17,720 |  |  |  | 7,668 |
Norway |  |  | 21,956 |  |  |  | 14,385 |
Turkey |  |  | 634 |  |  |  | 5,216 |
Singapore |  |  | 366 |  |  |  | 2,192 |
Canada |  |  | — |  |  |  | 1,882 |
Other |  |  | 3,709 |  |  |  | 4,081 |
Total revenue from contracts with customers |  | $ | 46,863 |  |  | $ | 36,510 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | January 31, 2025 |  |  | January 31, 2024 |
Contract Assets: |  | (in thousands) |
Contract assets, beginning balance |  | $ | 26 |  |  | $ | 2 |
Revenue accrued |  | $ | 20 |  |  | $ | 26 |
Amounts billed |  |  | (26 | ) |  |  | (2 | )
Total unbilled revenue |  | $ | 20 |  |  | $ | 26 |
Contract Liabilities: |  |  |  |  |  |  |  |
Contract liabilities, beginning balance |  | $ | 3,649 |  |  | $ | 359 |
Deferred revenue and customer deposits |  | $ | 1,526 |  |  | $ | 3,614 |
Revenue recognized |  |  | (3,383 | ) |  |  | (324 | )
Total deferred revenue & customer deposits |  | $ | 1,792 |  |  | $ | 3,649 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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