Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 25,247	$ 31,551
Trade accounts receivable, net of allowances of $475 in 2022 and $289 in 2021	105,656	91,202
Inventories	71,558	69,098
Prepaid expenses and other current assets	21,831	18,539
Total current assets	224,292	210,390
Property, plant, and equipment:
Land and building	24,066	26,380
Machinery and equipment	330,163	345,454
Automobiles and trucks	12,939	16,174
Chemical plants	57,743	61,565
Construction in progress	9,004	5,349
Total property, plant, and equipment	433,915	454,922
Less accumulated depreciation	(338,890)	(365,946)
Net property, plant, and equipment	95,025	88,976
Other assets:
Patents, trademarks and other intangible assets, net of accumulated amortization of $44,994 in 2022 and $44,323 in 2021	33,667	36,958
Operating lease right-of-use assets	33,415	36,973
Investments	13,313	11,233
Other assets	13,774	13,736
Total other assets	94,169	98,900
Total assets	413,486	398,266
Current liabilities:
Trade accounts payable	46,162	37,943
Current portion of long-term debt	14	0
Compensation and employee benefits	29,213	20,811
Operating lease liabilities, current portion	7,858	8,108
Accrued taxes	8,334	7,085
Accrued liabilities and other	19,004	21,810
Current liabilities associated with discontinued operations	919	1,385
Total current liabilities	111,504	97,142
Long-term debt, net	153,873	151,936
Operating lease liabilities	27,724	31,429
Asset retirement obligations	13,368	12,984
Deferred income taxes	1,284	1,669
Other liabilities	3,977	4,543
Total long-term liabilities	200,226	202,561
Commitments and contingencies (Note 7)
Equity:
Common stock, par value 0.01 per share; 250,000,000 shares authorized at September 30, 2022 and December 31, 2021; 131,758,500 shares issued at September 30, 2022 and 130,075,838 shares issued at December 31, 2021	1,318	1,301
Additional paid-in capital	476,530	475,624
Treasury stock, at cost; 3,138,675 shares held at September 30, 2022 and December 31, 2021	(19,957)	(19,957)
Accumulated other comprehensive loss	(54,333)	(46,932)
Retained deficit	(300,589)	(310,332)
Total TETRA stockholders’ equity	102,969	99,704
Noncontrolling interests	(1,213)	(1,141)
Total equity	101,756	98,563
Total liabilities and equity	$ 413,486	$ 398,266