UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	ProFrac Agreement	Common Stock	Treasury Stock	Additional Paid-in Capital	Additional Paid-in Capital ProFrac Agreement	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance at Dec. 31, 2021	$ 20,192		$ 1	$ (34,100)	$ 363,424		$ 81	$ (309,214)
Beginning balance (in shares) at Dec. 31, 2021			13,247,000
Beginning balance (in shares) at Dec. 31, 2021				1,004,000
Increase (Decrease) in Equity
Net income (loss)	(23,278)							(23,278)
Foreign currency translation adjustment	211						211
Stock issued under employee stock purchase plan	24				24
Stock issued under employee stock purchase plan (in shares)				(3,000)
Restricted stock granted (in shares)			189,000
Restricted stock forfeited (in shares)			(1,000)	4,000
Restricted stock units vested (in shares)			10,000
Stock compensation expense	2,262				2,262
Shares withheld to cover taxes	(191)			$ (168)	(23)
Shares withheld to cover taxes (in shares)			(6,000)	19,000
Issuance of warrants	9,930				9,930
Equity contribution	8,400				8,400
Conversion of convertible notes payable to Common Stock	2,948				2,948
Conversion of notes to common stock (in shares)			466,000
Ending balance at Sep. 30, 2022	20,498		$ 1	$ (34,268)	386,965		292	(332,492)
Ending balance (in shares) at Sep. 30, 2022			13,905,000
Ending balance (in shares) at Sep. 30, 2022				1,024,000
Beginning balance at Jun. 30, 2022	38,558		$ 1	$ (34,238)	386,317		176	(313,698)
Beginning balance (in shares) at Jun. 30, 2022			13,814,000
Beginning balance (in shares) at Jun. 30, 2022				1,019,000
Increase (Decrease) in Equity
Net income (loss)	(18,794)							(18,794)
Foreign currency translation adjustment	116						116
Restricted stock granted (in shares)			84,000
Restricted stock forfeited (in shares)				1,000
Restricted stock units vested (in shares)			10,000
Stock compensation expense	671				671
Shares withheld to cover taxes	(53)			$ (30)	(23)
Shares withheld to cover taxes (in shares)			(3,000)	4,000
Ending balance at Sep. 30, 2022	20,498		$ 1	$ (34,268)	386,965		292	(332,492)
Ending balance (in shares) at Sep. 30, 2022			13,905,000
Ending balance (in shares) at Sep. 30, 2022				1,024,000
Beginning balance at Dec. 31, 2022	$ 2,596		$ 1	$ (34,251)	388,184		181	(351,519)
Beginning balance (in shares) at Dec. 31, 2022	13,985,986		13,986,000
Beginning balance (in shares) at Dec. 31, 2022	1,021,255			1,021,000
Increase (Decrease) in Equity
Net income (loss)	$ 22,609							22,609
Foreign currency translation adjustment	13						13
Stock issued under employee stock purchase plan	48				48
Stock issued under employee stock purchase plan (in shares)				(12,000)
Restricted stock granted (in shares)			148,000
Restricted stock forfeited (in shares)			(7,000)	65,000
Restricted stock units vested (in shares)			82,000
Forfeited stock options purchased	(617)				(617)
Stock compensation expense	(565)				(565)
Shares withheld to cover taxes	(246)			$ (231)	(15)
Shares withheld to cover taxes (in shares)			(3,000)	36,000
Exercise of pre-funded warrants (in shares)			4,228,000
Issuance of warrants		$ 15,092				$ 15,092
Conversion of Amended ProFrac Agreement Contract Consideration Convertible Notes Payable to Common Stock	40,638		$ 2		40,636
Conversion of Amended ProFrac Agreement Contract Consideration Convertible Notes Payable to Common Stock (in shares)			10,583,000
Conversion of convertible notes payable to Pre-Funded Warrants	11,040				11,040
Conversion of convertible notes payable to Common Stock	8,996		$ 0		8,996
Conversion of notes to common stock (in shares)			1,723,000
Ending balance at Sep. 30, 2023	$ 99,604		$ 3	$ (34,482)	462,799		194	(328,910)
Ending balance (in shares) at Sep. 30, 2023	30,739,820		30,740,000
Ending balance (in shares) at Sep. 30, 2023	1,109,918			1,110,000
Beginning balance at Jun. 30, 2023	$ 98,002		$ 3	$ (34,480)	462,529		147	(330,197)
Beginning balance (in shares) at Jun. 30, 2023			26,370,000
Beginning balance (in shares) at Jun. 30, 2023				1,113,000
Increase (Decrease) in Equity
Net income (loss)	1,287							1,287
Foreign currency translation adjustment	47						47
Stock issued under employee stock purchase plan	15				15
Stock issued under employee stock purchase plan (in shares)				(4,000)
Restricted stock granted (in shares)			145,000
Restricted stock forfeited (in shares)				1,000
Stock compensation expense	270				270
Shares withheld to cover taxes	(17)			$ (2)	(15)
Shares withheld to cover taxes (in shares)			(3,000)
Exercise of pre-funded warrants (in shares)			4,228,000
Ending balance at Sep. 30, 2023	$ 99,604		$ 3	$ (34,482)	$ 462,799		$ 194	$ (328,910)
Ending balance (in shares) at Sep. 30, 2023	30,739,820		30,740,000
Ending balance (in shares) at Sep. 30, 2023	1,109,918			1,110,000