Note 2 - Summary of Significant Accounting Policies (Details Textual) |
3 Months Ended | ||
|---|---|---|---|
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Jun. 30, 2026
USD ($)
shares
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Jun. 30, 2025
USD ($)
shares
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Mar. 31, 2026
USD ($)
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| Number of Operating Segments | 3 | ||
| Number of Reportable Segments | 3 | ||
| Goodwill, Reporting Unit, Number | 3 | ||
| Revenue from Contract with Customer, Excluding Assessed Tax | $ 19,350,000 | $ 19,207,000 | |
| Customer Refund Liability, Current | 100,000 | 100,000 | |
| Restricted Cash, Current | $ 30,000 | $ 30,000 | $ 30,000 |
| Share-Based Payment Arrangement, Option [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares | 207,667 | 219,791 | |
| Restricted Stock Units (RSUs) [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares | 20,287 | 4,338 | |
| Barter Transactions [Member] | |||
| Revenue from Contract with Customer, Excluding Assessed Tax | $ 7,000,000 | $ 7,000,000 | |
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Current regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment. No definition available.
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| X | ||||||||||
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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