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Note 15 - Net Income Per Common Share (Details Textual)		9 Months Ended
	Mar. 05, 2021	Sep. 30, 2022
The 2026 Notes and the 2028 Notes [Member]
Debt Instrument, Convertible, Conversion Ratio	0.4394	0.4394

X

- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 470
-SubTopic 20
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