Note 7 - Accrued Expenses - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) |
Jun. 30, 2026 |
Jun. 03, 2026 |
Dec. 31, 2025 |
|---|---|---|---|
| Manufacturer’s warranties | $ 145,000 | $ 145,000 | $ 189,000 |
| Taxes payable | 988,967 | 788,116 | |
| Miscellaneous payable | 167,090 | 219,449 | |
| Total accrued expenses and other current liabilities | $ 1,301,057 | $ 1,196,565 |
| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of accrued liabilities and other liabilities. No definition available.
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