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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 38,754 | $ 74,048
Restricted cash | 9,067 | 5,571
Trade accounts receivable, net of allowance for doubtful accounts of $1,349 in 2013 and $1,085 in 2012 | 180,659 | 176,352
Deferred tax asset | 14,740 | 29,789
Inventories | 100,792 | 103,041
Assets held for sale | 5,541 | 12,009
Prepaid expenses and other current assets | 24,386 | 34,299
Total current assets | 373,939 | 435,109
Property, plant, and equipment: |  |
Land and building | 42,954 | 41,153
Machinery and equipment | 682,836 | 589,725
Automobiles and trucks | 57,588 | 57,708
Chemical plants | 175,494 | 161,565
Construction in progress | 14,170 | 40,452
Total property, plant, and equipment | 973,042 | 890,603
Less accumulated depreciation | (400,426) | (337,889)
Net property, plant, and equipment | 572,616 | 552,714
Other assets: |  |
Goodwill | 188,159 | 189,604
Patents, trademarks, and other intangible assets, net of accumulated amortization of $31,956 in 2013 and $27,044 in 2012 | 31,980 | 36,735
Deferred tax assets | 2,170 | 594
Other assets | 37,669 | 47,062
Total other assets | 259,978 | 273,995
Total assets | 1,206,533 | 1,261,818
Current liabilities: |  |
Trade accounts payable | 69,220 | 67,453
Accrued liabilities | 65,017 | 73,254
Current portion of long-term debt | 89 | 35,441
Decommissioning and other asset retirement obligations, current | 38,700 | 80,667
Total current liabilities | 173,026 | 256,815
Long-term debt, net | 387,727 | 331,268
Deferred income taxes | 17,651 | 41,910
Decommissioning and other asset retirement obligations, net | 12,204 | 14,254
Other liabilities | 18,427 | 24,263
Total long-term and other liabilities | 436,009 | 411,695
Equity: |  |
Common stock, par value $.01 per share; 100,000,000 shares authorized; 81,333,631 shares issued at December 31, 2013 and 80,446,169 shares issued at December 31, 2012 | 813 | 804
Additional paid-in capital | 234,360 | 226,954
Treasury stock, at cost; 2,478,084 shares held at December 31, 2013 and 2,334,137 shares held at December 31, 2012 | (15,765) | (15,027)
Accumulated other comprehensive income (loss) | (3,903) | (1,494)
Retained earnings | 340,036 | 339,883
Total TETRA stockholders' equity | 555,541 | 551,120
Noncontrolling interest | 41,957 | 42,188
Total equity | 597,498 | 593,308
Total liabilities and equity | $ 1,206,533 | $ 1,261,818

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