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Note 11 - Notes Payable (Details Textual) - USD ($) | Apr. 16, 2021 | Apr. 20, 2020 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Notes Payable, Total |  |  | $ 0 | $ 0
Term Loan [Member] | Summit Community Bank [Member] |  |  |  |
Debt Instrument, Face Amount | $ 1,000,000 |  |  |
Debt Instrument, Term (Year) | 2 years |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.89% |  |  |
Paycheck Protection Program CARES Act [Member] |  |  |  |
Proceeds from Issuance of Long-term Debt, Total |  | $ 450,000 |  |

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- Definition Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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