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Note 6 - Revenue From Contracts With Customers (Tables) | 6 Months Ended
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Jul. 31, 2023
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended July 31, |  |  | Six Months Ended July 31, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Revenue recognized at a point in time: |  | (in thousands) |
Seamap |  | $ | 7,103 |  |  | $ | 4,288 |  |  | $ | 17,508 |  |  | $ | 12,281 |
Klein |  |  | 1,180 |  |  |  | 3,688 |  |  |  | 2,652 |  |  |  | 4,696 |
Total revenue recognized at a point in time |  | $ | 8,283 |  |  | $ | 7,976 |  |  | $ | 20,160 |  |  | $ | 16,977 |
Revenue recognized over time: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Seamap |  | $ | 458 |  |  | $ | 737 |  |  | $ | 650 |  |  | $ | 823 |
Klein |  | $ | 9 |  |  | $ | — |  |  | $ | 526 |  |  | $ | — |
Total revenue recognized over time |  |  | 467 |  |  |  | 737 |  |  |  | 1,176 |  |  |  | 823 |
Total revenue from contracts with customers |  | $ | 8,750 |  |  | $ | 8,713 |  |  | $ | 21,336 |  |  | $ | 17,800 |
|  | Three Months Ended July 31, |  |  | Six Months Ended July 31, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
|  | (in thousands) |
United States |  | $ | 378 |  |  | $ | 2,333 |  |  | $ | 1,720 |  |  | $ | 4,586 |
Europe |  |  | 2,965 |  |  |  | 4,082 |  |  |  | 10,000 |  |  |  | 8,694 |
Asia-Pacific |  |  | 4,700 |  |  |  | 2,042 |  |  |  | 8,653 |  |  |  | 4,226 |
Other |  |  | 707 |  |  |  | 256 |  |  |  | 963 |  |  |  | 294 |
Total revenue from contracts with customers |  | $ | 8,750 |  |  | $ | 8,713 |  |  | $ | 21,336 |  |  | $ | 17,800 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | July 31, 2023 |  |  | January 31, 2023 |
Contract Assets: |  | (in thousands) |
Unbilled revenue - current |  | $ | 33 |  |  | $ | 2 |
Total unbilled revenue |  | $ | 33 |  |  | $ | 2 |
Contract Liabilities: |  |  |  |  |  |  |  |
Deferred revenue & customer deposits - current |  | $ | 1,670 |  |  | $ | 571 |
Total deferred revenue & customer deposits |  | $ | 1,670 |  |  | $ | 571 |

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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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