Note 2 - Summary of Significant Accounting Policies (Tables)
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3 Months Ended |
May 31, 2026 |
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| Notes Tables |
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| Marketable Securities [Table Text Block] |
| May 31, 2026 | | | | | | Gross | | | Gross | | | | | |
| | | | | | | Unrealized | | | Unrealized | | | | | |
| Marketable Securities: | | Cost | | | Gains | | | Losses | | | Fair Value | |
| Common Stocks | | $ | 81,000 | | | $ | - | | | $ | (81,000 | ) | | $ | - | |
| February 28, 2026 | | | | | | Gross | | | Gross | | | | | |
| | | | | | | Unrealized | | | Unrealized | | | | | |
| Marketable Securities: | | Cost | | | Gains | | | Losses | | | Fair Value | |
| Common Stocks | | $ | 81,000 | | | $ | - | | | $ | (79,000 | ) | | $ | 2,000 | |
|
| Equity Securities without Readily Determinable Fair Value [Table Text Block] |
| May 31, 2026 | | | | | | Gross | | | Gross | | | | | | | | | |
| | | | | | | Unrealized | | | Unrealized | | | | | | | | | |
| Non-current Securities: | | Cost | | | Gains | | | Losses | | | Impairment | | | Fair Value | |
| Long-term Investments | | $ | 1,650,000 | | | $ | - | | | $ | - | | | $ | - | | | $ | 1,650,000 | |
| | | | | | | | | | | | | | | | | | | | | |
| February 28, 2026 | | | | | | Gross | | | Gross | | | | | | | | | |
| | | | | | | Unrealized | | | Unrealized | | | | | | | | | |
| Non-current Securities: | | Cost | | | Gains | | | Losses | | | Impairment | | | Fair Value | |
| Long-term Investments | | $ | 1,650,000 | | | $ | - | | | $ | - | | | $ | - | | | $ | 1,650,000 | |
| |
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| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
| May 31, 2026 | | Level 1 | | | Level 2 | | | Level 3 | | | Total | |
| Common Stocks | | $ | - | | | $ | - | | | $ | - | | | $ | - | |
| Long-term Investment | | | - | | | | - | | | | 1,650,000 | | | | 1,650,000 | |
| Contingent Consideration | | | - | | | | - | | | | 1,119,000 | | | | 1,119,000 | |
| | | $ | - | | | $ | - | | | $ | 2,769,000 | | | $ | 2,769,000 | |
| February 28, 2026 | | Level 1 | | | Level 2 | | | Level 3 | | | Total | |
| Common Stocks | | $ | 2,000 | | | $ | - | | | $ | - | | | $ | 2,000 | |
| Long-term Investment | | | - | | | | - | | | | 1,650,000 | | | | 1,650,000 | |
| Contingent Consideration | | | - | | | | - | | | | 771,000 | | | | 771,000 | |
| | | $ | 2,000 | | | $ | - | | | $ | 2,421,000 | | | $ | 2,423,000 | |
|
| Business Combination [Table Text Block] |
| | | May 31, 2026 | | | February 28, 2026 | |
| Contingent consideration | | $ | 771,000 | | | $ | 1,233,000 | |
| Accrued interest expense | | | 17,000 | | | | 87,000 | |
| Contingent consideration adjustment | | | 331,000 | | | | 346,000 | |
| Earn out payment | | | - | | | | (895,000 | ) |
| Ending Balance | | $ | 1,119,000 | | | $ | 771,000 | |
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| Schedule of Estimated Useful Life of Property, Plant, and Equipment [Table Text Block] |
| Building (years) | | | 39 | |
| Building Improvements (years) | | | 15 | |
| Leasehold Improvements | | Shorter of 10 years or life of lease | |
| Machinery and Equipment (years) | | | 5 | |
| Computer equipment (years) | | | 3 | |
| Motor vehicles (years) | | | 5 | |
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