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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Allowance for credit losses	$ 11,642	$ 72,456
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	125,000,000	125,000,000
Common stock, shares issued (in shares)	46,494,323	41,307,617
Common stock, shares outstanding (in shares)	46,494,323	41,307,617
Trade Accounts Receivable [Member]
Allowance for credit losses	$ 2,568	$ 1,948

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Amount of allowance for credit loss on accounts receivable, classified as current.

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