Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2023

Supplemental Cash Flow Elements [Abstract]

Schedule of supplemental cash flow information

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

        

	Six months ended June 30,
	2023		2022
Supplemental cash flow information:
Interest paid	$	23	$	7
Supplemental non cash financing and investing activities:
Conversion of convertible notes payable to common stock	8,996		3,038
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		—
Conversion of Amended Contract Consideration Convertible Notes Payable to common stock	40,638		—
Issuance of convertible notes payable as consideration for ProFrac Agreements	—		79,460
Issuance cost of stock warrants included in accrued accounts payable	—		1,170