Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 13,592	$ 31,551
Trade accounts receivable, net of allowance for doubtful accounts of $538 in 2022 and $289 in 2021	129,631	91,202
Inventories	72,113	69,098
Prepaid expenses and other current assets	23,112	18,539
Total current assets	238,448	210,390
Property, plant, and equipment:
Land and building	25,723	26,380
Machinery and equipment	318,693	345,454
Automobiles and trucks	11,832	16,174
Chemical plants	63,528	61,565
Construction in progress	7,660	5,349
Total property, plant, and equipment	427,436	454,922
Less accumulated depreciation	(325,856)	(365,946)
Net property, plant, and equipment	101,580	88,976
Other assets:
Other intangibles, net	32,955	36,958
Operating lease right-of-use assets	33,818	36,973
Investments	14,286	11,233
Other assets	13,279	13,736
Total other assets	94,338	98,900
Total assets	434,366	398,266
Current liabilities:
Trade accounts payable	49,121	37,943
Compensation and employee benefits	30,958	20,811
Operating lease liabilities, current portion	7,795	8,108
Accrued taxes	9,913	7,085
Accrued liabilities and other	25,560	21,810
Current liabilities associated with discontinued operations	920	1,385
Total current liabilities	124,267	97,142
Long-term debt, net	156,455	151,936
Operating lease liabilities	28,108	31,429
Asset retirement obligations	13,671	12,984
Deferred income taxes	2,038	1,669
Other liabilities	3,430	4,543
Total long-term liabilities	203,702	202,561
Commitments and contingencies (Note 11 - “Commitments and Contingencies”)
Equity:
Common stock, par value $0.01 per share; 250,000,000 shares authorized at December 31, 2022 and December 31, 2021; 131,800,975 shares issued at December 31, 2022 and 130,075,838 shares issued at December 31, 2021	1,318	1,301
Additional paid-in capital	477,820	475,624
Treasury stock, at cost; 3,138,675 shares held at December 31, 2022 and 3,138,675 shares held at December 31, 2021	(19,957)	(19,957)
Accumulated other comprehensive income (loss)	(49,063)	(46,932)
Retained deficit	(302,493)	(310,332)
Total TETRA stockholders’ equity	107,625	99,704
Noncontrolling interests	(1,228)	(1,141)
Total equity	106,397	98,563
Total liabilities and equity	$ 434,366	$ 398,266