Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 35,939	$ 52,485
Trade accounts receivable, net of allowances of $462 in 2024 and $614 in 2023	132,429	111,798
Inventories	94,285	96,536
Prepaid expenses and other current assets	24,911	21,196
Total current assets	287,564	282,015
Property, plant, and equipment:
Land and building	23,800	23,173
Machinery and equipment	311,609	304,884
Automobiles and trucks	10,201	10,148
Chemical plants	66,491	67,114
Construction in progress	11,126	10,323
Total property, plant, and equipment	423,227	415,642
Less accumulated depreciation	(309,858)	(307,926)
Net property, plant, and equipment	113,369	107,716
Other assets:
Patents, trademarks and other intangible assets, net of accumulated amortization of $52,427 in 2024 and $51,509 in 2023	28,073	29,132
Operating lease right-of-use assets	30,964	31,915
Investments	20,386	17,354
Other assets	10,969	10,829
Total other assets	90,392	89,230
Total assets	491,325	478,961
Current liabilities:
Trade accounts payable	47,491	52,290
Compensation and employee benefits	19,232	26,918
Operating lease liabilities, current portion	8,731	9,101
Accrued taxes	13,192	10,350
Accrued liabilities and other	29,280	27,303
Total current liabilities	117,926	125,962
Long-term debt, net	179,394	157,505
Operating lease liabilities	26,738	27,538
Asset retirement obligations	14,645	14,199
Deferred income taxes	2,176	2,279
Other liabilities	4,299	4,144
Total long-term liabilities	227,252	205,665
Commitments and contingencies (Note 7)
Equity:
Common stock, par value 0.01 per share; 250,000,000 shares authorized at March 31, 2024 and December 31, 2023; 134,274,837 shares issued at March 31, 2024 and 133,217,848 shares issued at December 31, 2023	1,343	1,332
Additional paid-in capital	488,440	489,156
Treasury stock, at cost; 3,138,675 shares held at March 31, 2024 and December 31, 2023	(19,957)	(19,957)
Accumulated other comprehensive loss	(46,628)	(45,231)
Retained deficit	(275,794)	(276,709)
Total TETRA stockholders’ equity	147,404	148,591
Noncontrolling interests	(1,257)	(1,257)
Total equity	146,147	147,334
Total liabilities and equity	$ 491,325	$ 478,961