Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 48,355	$ 52,485
Restricted cash	658	0
Trade accounts receivable, net of allowances of $422 in 2024 and $614 in 2023	110,050	111,798
Inventories	97,704	96,536
Prepaid expenses and other current assets	21,763	21,196
Total current assets	278,530	282,015
Property, plant, and equipment:
Land and building	23,692	23,173
Machinery and equipment	317,107	304,884
Automobiles and trucks	10,265	10,148
Chemical plants	69,740	67,114
Construction in progress	28,477	10,323
Total property, plant, and equipment	449,281	415,642
Less accumulated depreciation	(320,024)	(307,926)
Net property, plant, and equipment	129,257	107,716
Other assets:
Patents, trademarks and other intangible assets, net of accumulated amortization of $55,302 in 2024 and $51,509 in 2023	26,027	29,132
Operating lease right-of-use assets	30,181	31,915
Investments	22,754	17,354
Other assets	14,408	10,829
Total other assets	93,370	89,230
Total assets	501,157	478,961
Current liabilities:
Trade accounts payable	48,434	52,290
Compensation and employee benefits	21,613	26,918
Operating lease liabilities, current portion	8,741	9,101
Accrued taxes	14,149	10,350
Accrued liabilities and other	20,645	27,303
Current liabilities associated with discontinued operations	5,830	0
Total current liabilities	119,412	125,962
Long-term debt, net	179,709	157,505
Operating lease liabilities	25,862	27,538
Asset retirement obligations	14,600	14,199
Deferred income taxes	3,461	2,279
Other liabilities	2,701	4,144
Total long-term liabilities	226,333	205,665
Commitments and contingencies (Note 6)
Equity:
Common stock, par value 0.01 per share; 250,000,000 shares authorized at September 30, 2024 and December 31, 2023; 134,924,707 shares issued at September 30, 2024 and 133,217,848 shares issued at December 31, 2023	1,349	1,332
Additional paid-in capital	491,107	489,156
Treasury stock, at cost; 3,138,675 shares held at September 30, 2024 and December 31, 2023	(19,957)	(19,957)
Accumulated other comprehensive loss	(44,678)	(45,231)
Retained deficit	(271,149)	(276,709)
Total TETRA stockholders’ equity	156,672	148,591
Noncontrolling interests	(1,260)	(1,257)
Total equity	155,412	147,334
Total liabilities and equity	$ 501,157	$ 478,961