Note 11 - Income Taxes - Income Taxes Paid (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Federal | $ 0 | $ 0 |
| State | 1,500 | 1,500 |
| Foreign | 0 | 0 |
| Total | 1,500 | $ 1,500 |
| Internal Revenue Service (IRS) [Member] | ||
| Federal | 0 | |
| New Jersey Division of Taxation [Member] | ||
| State | $ 1,500 | |
| X | ||||||||||
- Definition Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after income tax refund received, of cash paid to foreign tax jurisdiction for tax on income. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after income tax refund received, of cash paid to state and local tax jurisdictions for tax on income. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
|
| X | ||||||||||
- Details
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| X | ||||||||||
- Details
|