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Note 24 - Subsequent Event	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Subsequent Events [Text Block]	24.     Subsequent event   On  March 12, 2024, the Company’s board of directors authorized the repurchase of up to $25.0 million of Company common stock through a stock repurchase program expiring March 12, 2026. The program could be suspended or discontinued at any time, based on market, economic, or business conditions. The timing and amount of repurchase transactions will be determined by management based on its evaluation of market conditions, share price, and other factors.   The Company's board of directors also authorized on March 12, 2024 a special cash dividend of $2.50 per share on our common stock payable on April 9, 2024, to the holders of record of all the issued and outstanding shares of common stock as of the close of business on March 26, 2024.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

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