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Note 1 - Organization and Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($) | Jun. 30, 2022 | Dec. 31, 2021
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Accounts receivable | $ 1,145,451 | $ 277,831
Billed Revenues [Member] |  |
Accounts receivable | 794,428 | 101,175
Unbilled Revenues [Member] |  |
Accounts receivable | $ 351,023 | $ 176,656

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