Note 5 - Operating Lease (Details Textual) - USD ($) |
3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Nov. 01, 2020 |
Mar. 31, 2022 |
Mar. 31, 2021 |
Dec. 31, 2020 |
Jan. 01, 2019 |
Jan. 01, 2016 |
|
| Lessee, Operating Lease, Term of Contract (Year) | 3 years | |||||
| Lessee, Operating Lease, Renewal Term (Year) | 3 years | |||||
| Lessee, Operating Lease, Monthly Payment | $ 1,750 | |||||
| Gain (Loss) on Extinguishment of Debt, Total | $ 34,280 | |||||
| Operating Lease, Expense | $ 0 | $ 34,691 | ||||
| Operating Lease, Payments | $ 25,918 | |||||
| Non-cash Asset Writeoff | $ 3,500 | |||||
| Other Current Assets [Member] | ||||||
| Operating Lease, Right-of-Use Asset | $ 122,825 | |||||
| Other Current Liabilities [Member] | ||||||
| Operating Lease, Liability, Total | $ 122,825 | |||||
| X | ||||||||||
- Definition Represents the monthly payment amount under a lessee's operating lease. No definition available.
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| X | ||||||||||
- Definition Represents the amount of non-cash asset writeoff recognized during the period. No definition available.
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| X | ||||||||||
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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