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ACCRUED LIABILITIES | 6 Months Ended
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Jun. 30, 2015
ACCRUED LIABILITIES |
ACCRUED LIABILITIES | NOTE 6 — ACCRUED LIABILITIES Accrued liabilities as of June 30, 2015 and December 31, 2014 consisted of the following:
|  | June 30, |  | December 31, |
|  | 2015 |  | 2014 |
Accrued payroll and benefits |  | $ | 4,160 |  | $ | 3,316 |
Accrued property taxes |  |  | 433 |  |  | 86 |
Income taxes payable |  |  | 196 |  |  | 198 |
Accrued professional fees |  |  | 111 |  |  | 126 |
Accrued warranty liability |  |  | 728 |  |  | 1,198 |
Accrued regulatory settlement |  |  | 756 |  |  | 2,066 |
Accrued environmental reserve |  |  | 510 |  |  | 513 |
Accrued self-insurance reserve |  |  | 1,120 |  |  | 1,411 |
Accrued other |  |  | 247 |  |  | 639 |
Total accrued liabilities |  | $ | 8,261 |  | $ | 9,553 |
The accrued regulatory settlement includes $500 for the current portion of the environmental settlement recorded in 2013 and $256 related to the settlement with the U.S. Securities and Exchange Commission (“SEC”) recorded in 2014.

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 24 -Article 5 + Details
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