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Note 16 - Stockholders' Deficit (Tables) | 6 Months Ended
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Sep. 30, 2025
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  | Weighted-Average |
|  |  |  |  |  | Exercise Price per |
|  | Number of Shares |  |  | Share |
Outstanding as of March 31, 2025 |  |  | 220,167 |  |  | $ | 37.20 |
Granted |  |  | - |  |  |  | - |
Exercised |  |  | - |  |  |  | - |
Forfeited or expired |  |  | (10,001 | ) |  | $ | 50.60 |
Outstanding as of September 30, 2025 |  |  | 210,166 |  |  | $ | 37.36 |
Exercisable as of September 30, 2025 |  |  | 209,916 |  |  | $ | 37.34 |
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  | Number of Shares |
Outstanding as of March 31, 2025 |  |  | 49,395 |
Granted |  |  | 17,500 |
Vested |  |  | (16,853 | )
Cancelled |  |  | (5,059 | )
Outstanding as of September 30, 2025 |  |  | 44,983 |
|  | Number of |
|  | Shares |
Nonvested as of March 31, 2025 |  |  | 232,350 |
Granted |  |  | 850,000 |
Vested |  |  | (120,150 | )
Forfeited or expired |  |  | (75,000 | )
Nonvested as of September 30, 2025 |  |  | 887,200 |
Share-Based Payment Arrangement, Cost by Plan [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Stock-based compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  | $ | 1,107 |  |  | $ | 335 |  |  | $ | 2,126 |  |  | $ | 650 |
Sales and marketing |  |  | 15 |  |  |  | 101 |  |  |  | 33 |  |  |  | 62 |
Product development |  |  | 45 |  |  |  | 144 |  |  |  | 98 |  |  |  | 262 |
General and administrative |  |  | 996 |  |  |  | 1,711 |  |  |  | 1,362 |  |  |  | 3,017 |
Total stock-based compensation expense |  | $ | 2,163 |  |  | $ | 2,291 |  |  | $ | 3,619 |  |  | $ | 3,991 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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