9. Accrued Liabilites (Tables)

9 Months Ended

Sep. 30, 2015

Payables and Accruals [Abstract]

Schedule of accrued liabilities

	September 30, 2015		December 31, 2014
Accrued payroll	$	5,295	$	3,662
Accrued employee benefits		973		808
Accrued income taxes		478		52
Accrued state and local taxes		1,097		330
Advance payments		277		528
Accrued product warranty		193		247
Accrued other		1,628		1,313
	$	9,941	$	6,940