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Note 17 - Concentration of Risk - Company's Concentration of Customers and Suppliers (Details) | 3 Months Ended | 12 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer A [Member] |  |  |  |
Concentration risk | 74.00% | 0.00% |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer B [Member] |  |  |  |
Concentration risk | 16.00% | 0.00% | [1] |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer C [Member] |  |  |  |
Concentration risk | 10.00% | 0.00% |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer D [Member] |  |  |  |
Concentration risk | 0.00% | 59.00% |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer E [Member] |  |  |  |
Concentration risk | 0.00% | 37.00% |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer F [Member] |  |  |  |
Concentration risk | 0.00% | 0.00% |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer G [Member] |  |  |  |
Concentration risk | 0.00% | 0.00% |  |
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer A [Member] |  |  |  |
Concentration risk | 100.00% |  |  | 0.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer B [Member] |  |  |  |
Concentration risk | 0.00% |  |  | 0.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer C [Member] |  |  |  |
Concentration risk | 0.00% |  |  | 0.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer D [Member] |  |  |  |
Concentration risk | 0.00% |  |  | 0.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer E [Member] |  |  |  |
Concentration risk | 0.00% |  |  | 0.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer F [Member] |  |  |  |
Concentration risk | 0.00% |  |  | 78.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer G [Member] |  |  |  |
Concentration risk | 0.00% |  |  | 22.00%
Supplier Concentration Risk [Member] | Cost of Goods and Service Benchmark [Member] | Supplier A [Member] |  |  |  |
Concentration risk | 75.00% | 0.00% |  |
Supplier Concentration Risk [Member] | Cost of Goods and Service Benchmark [Member] | Supplier B [Member] |  |  |  |
Concentration risk | 0.00% | 59.00% |  |
Supplier Concentration Risk [Member] | Cost of Goods and Service Benchmark [Member] | Supplier C [Member] |  |  |  |
Concentration risk | 0.00% | 38.00% |  |
[1] | Less than 10%.

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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://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 20 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-20 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 + Details
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