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Note 3 - Acquisitions - Purchase Price (Details) (Parentheticals) | May 06, 2021 shares
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Neeltran Inc. [Member] | Neeltran Inc. Sellling Stockholders [Member] |
Issuance of common stock, shares (in shares) | 301,556

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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479581/805-30-50-1 + Details
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