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Note 5 - Revenue From Contracts With Customers (Tables) | 12 Months Ended
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Jan. 31, 2022
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Twelve Months Ended January 31, |
|  | 2022 |  |  | 2021 |
Revenue recognized at a point in time: |  | (in thousands) |
Seamap |  | $ | 16,422 |  |  | $ | 16,304 |
Klein |  |  | 5,428 |  |  |  | 4,145 |
Total revenue recognized at a point in time |  | $ | 21,850 |  |  | $ | 20,449 |
Revenue recognized over time: |  |  |  |  |  |  |  |
Seamap |  | $ | 871 |  |  | $ | 766 |
Klein |  | $ | 386 |  |  |  |  |
Total revenue recognized over time |  |  | 1,257 |  |  |  | 766 |
Total revenue from contracts with customers |  | $ | 23,107 |  |  | $ | 21,215 |
|  | Twelve Months Ended January 31, |
|  | 2022 |  |  | 2021 |
Revenue from contracts with customers: |  | (in thousands) |
United States |  | $ | 2,409 |  |  | $ | 3,687 |
Europe, Russia & CIS |  |  | 8,821 |  |  |  | 8,512 |
Middle East & Africa |  |  | 35 |  |  |  | 1,226 |
Asia-Pacific |  |  | 11,244 |  |  |  | 6,523 |
Canada & Latin America |  |  | 598 |  |  |  | 1,267 |
Total revenue from contracts with customers |  | $ | 23,107 |  |  | $ | 21,215 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | January 31, 2022 |  |  | January 31, 2021 |
Contract Assets: |  | (in thousands) |
Unbilled revenue-current |  | $ | 28 |  |  | $ | 85 |
Total unbilled revenue |  | $ | 28 |  |  | $ | 85 |
Contract Liabilities: |  |  |  |  |  |  |  |
Deferred revenue & customer deposits - current |  | $ | 2,569 |  |  | $ | 691 |
Total deferred revenue & customer deposits |  | $ | 2,569 |  |  | $ | 691 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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- References No definition available. + Details
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