Note 3 - Leases - Operating Lease Balance Sheet Information (Details) - USD ($) |
Mar. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Right-of-use operating lease asset | $ 25,911 | $ 51,405 |
| Operating lease liability - current | $ 18,363 | $ 45,595 |
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. 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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