Note 12 - Leases - Balance Sheet Classification (Details) - USD ($) |
Dec. 31, 2020 |
Dec. 31, 2019 |
Jan. 01, 2019 |
|---|---|---|---|
| Current lease liabilities | $ 294,951 | $ 250,553 | |
| Noncurrent lease liabilities | 296,006 | $ 512,344 | |
| Present value of operating lease liabilities | 590,957 | $ 998,602 | |
| Other Current Liabilities [Member] | |||
| Current lease liabilities | 294,951 | ||
| Other Noncurrent Liabilities [Member] | |||
| Noncurrent lease liabilities | $ 296,006 |
| 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 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 Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. 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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