Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2023

Supplemental Cash Flow Elements [Abstract]

Schedule of supplemental cash flow information

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

        

	Three months ended March 31,
	2023		2022
Supplemental cash flow information:
Interest paid	$	18	$	5
Supplemental non cash financing and investing activities:
Issuance of convertible notes payable as consideration for ProFrac Agreements	—		10,000
Conversion of convertible notes payable to common stock	8,996		2,948
Conversion of convertible notes payable to February 2023 Warrants	11,040		—
Conversion of initial Contract Consideration Convertible Notes Payable to February 2023 Warrants	15,092		—