ACCRUED LIABILITIES (Tables)

9 Months Ended

Sep. 30, 2013

ACCRUED LIABILITIES

Schedule of accrued liabilities

	September 30,		December 31,
	2013		2012
Accrued payroll and benefits	$	3,821	$	2,913
Accrued property taxes	458		367
Income taxes payable	488		443
Accrued professional fees	199		526
Accrued warranty liability	675		707
Accrued regulatory settlement	500		—
Accrued environmental reserve	242		352
Accrued other	578		704
Total accrued liabilities	$	6,961	$	6,012