Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenues:
Product sales	$ 67,229	$ 106,523
Services and rentals	113,567	116,022
Total revenues	180,796	222,545
Cost of revenues:
Cost of product sales	50,490	77,018
Cost of services and rentals	80,578	81,771
Depreciation, depletion, amortization, and accretion	17,333	37,392
Total cost of revenues	148,401	196,181
Gross profit	32,395	26,364
General and administrative expense	30,891	27,762
Interest expense, net	4,151	4,191
Other (income) expense, net	(4,399)	(1,548)
Income (loss) before taxes and discontinued operations	1,752	(4,041)
Provision (benefit) for income taxes	604	(1,529)
Income (loss) before discontinued operations	1,148	(2,512)
Income (loss) from discontinued operations, net of taxes	(1)	(3)
Net income (loss)	1,147	(2,515)
Less: income attributable to noncontrolling interest	(466)	0
Net income (loss) attributable to TETRA stockholders	$ 681	$ (2,515)
Basic net income (loss) per common share:
Income (loss) before discontinued operations attributable to TETRA stockholders	$ 0.01	$ (0.03)
Loss from discontinued operations attributable to TETRA stockholders	$ 0.00	$ 0.00
Net income (loss) attributable to TETRA stockholders	$ 0.01	$ (0.03)
Average shares outstanding	77,069	76,251
Diluted net income (loss) per common share:
Income (loss) before discontinued operations attributable to TETRA stockholders	$ 0.01	$ (0.03)
Loss from discontinued operations attributable to TETRA stockholders	$ 0.00	$ 0.00
Net income (loss) attributable to TETRA stockholders	$ 0.01	$ (0.03)
Average diluted shares outstanding	78,281	76,251