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Note 14 - Equity (Details Textual) - USD ($) shares in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Aug. 02, 2021
Stock Repurchase Program, Authorized Amount			$ 50,000,000
Stock Repurchased During Period, Value	$ 7,557,057	$ 6,572,783
New Repurchase Authorization [Member]
Stock Repurchased During Period, Shares (in shares)	1.1
Stock Repurchased During Period, Value	$ 7,500,000
Excise Tax on Corporate Shares Repurchased	$ 100,000

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References + Details