Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 27,675	$ 13,592
Trade accounts receivable, net of allowances of $1,177 in 2023 and $538 in 2022	130,386	129,631
Inventories	81,833	72,113
Prepaid expenses and other current assets	21,058	23,112
Total current assets	260,952	238,448
Property, plant, and equipment:
Land and building	23,488	25,723
Machinery and equipment	320,977	318,693
Automobiles and trucks	10,796	11,832
Chemical plants	64,743	63,528
Construction in progress	4,588	7,660
Total property, plant, and equipment	424,592	427,436
Less accumulated depreciation	(315,098)	(325,856)
Net property, plant, and equipment	109,494	101,580
Other assets:
Patents, trademarks and other intangible assets, net of accumulated amortization of $49,447 in 2023 and $46,996 in 2022	31,102	32,955
Operating lease right-of-use assets	36,964	33,818
Investments	16,718	14,286
Other assets	14,762	13,279
Total other assets	99,546	94,338
Total assets	469,992	434,366
Current liabilities:
Trade accounts payable	53,673	49,121
Current portion of long-term debt	1,900	3
Compensation and employee benefits	23,117	30,958
Operating lease liabilities, current portion	8,461	7,795
Accrued taxes	10,898	9,913
Accrued liabilities and other	27,368	25,557
Current liabilities associated with discontinued operations	414	920
Total current liabilities	125,831	124,267
Long-term debt, net	156,007	156,455
Operating lease liabilities	31,136	28,108
Asset retirement obligations	13,983	13,671
Deferred income taxes	2,000	2,038
Other liabilities	3,978	3,430
Total long-term liabilities	207,104	203,702
Commitments and contingencies (Note 7)
Equity:
Common stock, par value 0.01 per share; 250,000,000 shares authorized at June 30, 2023 and December 31, 2022; 132,695,294 shares issued at June 30, 2023 and 131,800,975 shares issued at December 31, 2022	1,327	1,318
Additional paid-in capital	481,448	477,820
Treasury stock, at cost; 3,138,675 shares held at June 30, 2023 and December 31, 2022	(19,957)	(19,957)
Accumulated other comprehensive loss	(46,269)	(49,063)
Retained deficit	(278,238)	(302,493)
Total TETRA stockholders’ equity	138,311	107,625
Noncontrolling interests	(1,254)	(1,228)
Total equity	137,057	106,397
Total liabilities and equity	$ 469,992	$ 434,366