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Note 5 - Advances on Contracts (Details Textual) - USD ($) | Jun. 30, 2023 | Dec. 31, 2022
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Advances on Inventory Purchases | $ 1,282,806 | $ 1,325,301

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- Definition Carrying value of capitalized payments made in advance for inventory that is expected to be received within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_AdvancesOnInventoryPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant