Note 3 - Accounts Receivable	12 Months Ended
Dec. 31, 2023
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	3. ACCOUNTS RECEIVABLE The balance of accounts receivable, net was $19.7 million, $21.9 million, and $18.4 million at December 31, 2023, 2022 and 2021, respectively. The Company establishes an allowance for doubtful accounts based upon factors surrounding the credit risk of specific customers, historical trends and other information relevant to estimating expected credit losses. The reserve for doubtful accounts was $105,223, $143,631 and $75,930 at December 31, 2023, 2022 and 2021, respectively.

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//310-10/tableOfContent

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