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Note 2 - Summary of Significant Accounting Policies - Revenues and Accounts Receivable from Major Distribution Partners and Customers (Details) - Accounts Receivable [Member] - Customer Concentration Risk [Member] | 9 Months Ended | 12 Months Ended
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Sep. 30, 2023 | Dec. 31, 2022
Major U.S. Retailer A [Member] |  |
Accounts receivable, concentration risk | 26.00% |
Accounts receivable, concentration risk | 26.00% |
Distributor A [Member] |  |
Accounts receivable, concentration risk | 20.00% | 11.00%
Accounts receivable, concentration risk | 20.00% | 11.00%
Major International Retailer A [Member] |  |
Accounts receivable, concentration risk | 10.00% |
Accounts receivable, concentration risk | 10.00% |
Distributor B [Member] |  |
Accounts receivable, concentration risk |  | 30.00%
Accounts receivable, concentration risk |  | 30.00%
Major U.S. Retailer B [Member] |  |
Accounts receivable, concentration risk |  | 15.00%
Accounts receivable, concentration risk |  | 15.00%

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-21 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-20 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482861/275-10-50-18 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482861/275-10-50-20 + Details
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