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Note 5 - Revenue From Contracts With Customers (Tables) | 9 Months Ended
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Oct. 31, 2021
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended October 31, |  |  | Nine Months Ended October 31, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Revenue recognized at a point in time: |  | (in thousands) |
Seamap |  | $ | 6,876 |  |  | $ | 5,196 |  |  | $ | 15,045 |  |  | $ | 11,066 |
Klein |  |  | 1,328 |  |  |  | 1,150 |  |  |  | 3,884 |  |  |  | 3,152 |
Total revenue recognized at a point in time |  | $ | 8,204 |  |  | $ | 6,346 |  |  | $ | 18,929 |  |  | $ | 14,218 |
Revenue recognized over time: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Seamap |  | $ | 143 |  |  | $ | 195 |  |  | $ | 419 |  |  | $ | 596 |
Total revenue recognized over time |  |  | 143 |  |  |  | 195 |  |  |  | 419 |  |  |  | 596 |
Total revenue from contracts with customers |  | $ | 8,347 |  |  | $ | 6,541 |  |  | $ | 19,348 |  |  | $ | 14,814 |
|  | Three Months Ended October 31, |  |  | Nine Months Ended October 31, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | (in thousands) |
United States |  | $ | 967 |  |  | $ | 282 |  |  | $ | 1,545 |  |  | $ | 2,068 |
Europe |  |  | 3,491 |  |  |  | 2,001 |  |  |  | 9,593 |  |  |  | 4,981 |
Middle East & Africa |  |  | 120 |  |  |  | 757 |  |  |  | 809 |  |  |  | 1,054 |
Asia-Pacific |  |  | 3,667 |  |  |  | 3,342 |  |  |  | 6,560 |  |  |  | 5,841 |
Canada & Latin America |  |  | 102 |  |  |  | 159 |  |  |  | 841 |  |  |  | 870 |
Total revenue from contracts with customers |  | $ | 8,347 |  |  | $ | 6,541 |  |  | $ | 19,348 |  |  | $ | 14,814 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | October 31, 2021 |  |  | January 31, 2021 |
Contract Assets: |  | (in thousands) |
Unbilled revenue - current |  | $ | 57 |  |  | $ | 85 |
Total unbilled revenue |  | $ | 57 |  |  | $ | 85 |
Contract Liabilities: |  |  |  |  |  |  |  |
Deferred revenue & customer deposits - current |  | $ | 863 |  |  | $ | 691 |
Total deferred revenue & customer deposits |  | $ | 863 |  |  | $ | 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 http://asc.fasb.org/extlink&oid=123351226&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 http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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