Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2022

Supplemental Cash Flow Elements [Abstract]

Schedule of supplemental cash flow information

Supplemental cash flow information is as follows (in thousands):

        

	Years ended December 31,
	2022		2021
Supplemental cash payment information:
Interest paid	$	45	$	26
Income taxes received	—		(351)
Supplemental non-cash financing and investing activities:
Issuance of convertible notes payable as consideration for ProFrac Agreement	$	79,460	$	—
Conversion of convertible notes payable to common stock	3,038		$	—

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