9. Accrued Liabilites (Tables)

6 Months Ended

Jun. 30, 2015

Payables and Accruals [Abstract]

Schedule of accrued liabilities

	June 30, 2015		December 31, 2014
Accrued payroll	$	4,117	$	3,662
Accrued employee benefits		629		808
Accrued income taxes		74		52
Accrued state and local taxes		22		330
Advance payments		234		528
Accrued product warranty		194		247
Accrued other		2,078		1,313
	$	7,348	$	6,940