Consolidated Statements of Stockholders' Equity (Parentheticals) (Unaudited) - shares	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Statement Of Stockholders Equity [Abstract]
Purchase of shares of treasury stock	1,061,257
Treasury shares withheld for payment of taxes	154,729	128,867
Issuance of shares of restricted stock	363,550	337,755
Issuance of shares related to settlement of warrant		1,280,450

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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Balance Type:	na
Period Type:	duration