Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2022		23,788,319
Beginning balance at Dec. 31, 2022	$ 139,979	$ 24	$ (47,692)	$ 103,698	$ 83,949
Beginning balance (in shares) at Dec. 31, 2022			(4,618,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (in shares)		483,242
Stock-based compensation	563			563
Issuance of common stock pursuant to Arq Acquisition, net of offering costs (in shares)		3,814,864
Issuance of common stock pursuant to Arq Acquisition, net of offering costs	12,437	$ 4		12,433
Issuance of common stock related to private placement transaction, net of offering costs (in shares)		3,842,315
Issuance of common stock related to private placement transaction, net of offering costs	15,220	$ 4		15,216
Issuance of warrant	826			826
Repurchase of common shares to satisfy minimum tax withholdings (in shares)		(74,104)
Repurchase of common shares to satisfy minimum tax withholdings	(146)			(146)
Preferred stock dividends declared on redeemable preferred stock	(157)				(157)
Net income (loss)	(7,508)				(7,508)
Ending balance (in shares) at Mar. 31, 2023		31,854,636
Ending balance at Mar. 31, 2023	161,214	$ 32	$ (47,692)	132,590	76,284
Ending balance (in shares) at Mar. 31, 2023			(4,618,146)
Beginning balance (in shares) at Dec. 31, 2022		23,788,319
Beginning balance at Dec. 31, 2022	139,979	$ 24	$ (47,692)	103,698	83,949
Beginning balance (in shares) at Dec. 31, 2022			(4,618,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(15,539)
Ending balance (in shares) at Sep. 30, 2023		37,799,053
Ending balance at Sep. 30, 2023	174,294	$ 38	$ (47,692)	153,695	68,253
Ending balance (in shares) at Sep. 30, 2023			(4,618,146)
Beginning balance (in shares) at Mar. 31, 2023		31,854,636
Beginning balance at Mar. 31, 2023	161,214	$ 32	$ (47,692)	132,590	76,284
Beginning balance (in shares) at Mar. 31, 2023			(4,618,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (in shares)		(16,430)
Stock-based compensation	545			545
Issuance of common stock upon conversion of preferred stock (in shares)		5,362,926
Issuance of common stock upon conversion of preferred stock	18,926	$ 5		18,921
Repurchase of common shares to satisfy minimum tax withholdings (in shares)		(6,973)
Repurchase of common shares to satisfy minimum tax withholdings	(14)			(14)
Net income (loss)	(5,856)				(5,856)
Ending balance (in shares) at Jun. 30, 2023		37,194,159
Ending balance at Jun. 30, 2023	174,815	$ 37	$ (47,692)	152,042	70,428
Ending balance (in shares) at Jun. 30, 2023			(4,618,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (in shares)		105,244
Stock-based compensation	702			702
Issuance of common stock to related party (in shares)		527,779
Issuance of common stock to related party		$ 1		999	1,000
Repurchase of common shares to satisfy minimum tax withholdings (in shares)		(28,129)
Repurchase of common shares to satisfy minimum tax withholdings	(48)			(48)
Net income (loss)	(2,175)
Ending balance (in shares) at Sep. 30, 2023		37,799,053
Ending balance at Sep. 30, 2023	174,294	$ 38	$ (47,692)	153,695	68,253
Ending balance (in shares) at Sep. 30, 2023			(4,618,146)
Beginning balance (in shares) at Dec. 31, 2023		37,791,084
Beginning balance at Dec. 31, 2023	$ 178,400	$ 38	$ (47,692)	154,511	71,543
Beginning balance (in shares) at Dec. 31, 2023	(4,618,146)		(4,618,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (in shares)		81,253
Stock-based compensation	$ 782			782
Repurchase of common shares to satisfy minimum tax withholdings (in shares)		(104,163)
Repurchase of common shares to satisfy minimum tax withholdings	(599)			(599)
Exercise of warrant, net (in shares)		324,955
Net income (loss)	(3,419)				(3,419)
Ending balance (in shares) at Mar. 31, 2024		38,093,129
Ending balance at Mar. 31, 2024	175,164	$ 38	$ (47,692)	154,694	68,124
Ending balance (in shares) at Mar. 31, 2024			(4,618,146)
Beginning balance (in shares) at Dec. 31, 2023		37,791,084
Beginning balance at Dec. 31, 2023	$ 178,400	$ 38	$ (47,692)	154,511	71,543
Beginning balance (in shares) at Dec. 31, 2023	(4,618,146)		(4,618,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (3,770)
Ending balance (in shares) at Sep. 30, 2024		46,652,061
Ending balance at Sep. 30, 2024	$ 218,116	$ 47	$ (47,692)	197,988	67,773
Ending balance (in shares) at Sep. 30, 2024	(4,618,146)		(4,618,146)
Beginning balance (in shares) at Mar. 31, 2024		38,093,129
Beginning balance at Mar. 31, 2024	$ 175,164	$ 38	$ (47,692)	154,694	68,124
Beginning balance (in shares) at Mar. 31, 2024			(4,618,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (in shares)		(43,566)
Stock-based compensation	653			653
Issuance of common stock pursuant to Arq Acquisition, net of offering costs (in shares)		2,142,858
Issuance of common stock pursuant to Arq Acquisition, net of offering costs	14,951	$ 2		14,949
Issuance of common stock to related party (in shares)		422,221
Issuance of common stock to related party	800	$ 1		799
Net income (loss)	(1,968)				(1,968)
Ending balance (in shares) at Jun. 30, 2024		40,614,642
Ending balance at Jun. 30, 2024	189,600	$ 41	$ (47,692)	171,095	66,156
Ending balance (in shares) at Jun. 30, 2024			(4,618,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation (in shares)		580,826
Stock-based compensation	750	$ 1		749
Issuance of common stock in public offering, net of offering costs (in shares)		5,485,500
Issuance of common stock in public offering, net of offering costs	26,659	$ 5		26,654
Repurchase of common shares to satisfy minimum tax withholdings (in shares)		(28,907)
Repurchase of common shares to satisfy minimum tax withholdings	(510)			(510)
Net income (loss)	1,617				1,617
Ending balance (in shares) at Sep. 30, 2024		46,652,061
Ending balance at Sep. 30, 2024	$ 218,116	$ 47	$ (47,692)	$ 197,988	$ 67,773
Ending balance (in shares) at Sep. 30, 2024	(4,618,146)		(4,618,146)