9. COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of operating lease payments

	Facilities		Equipment		Total
2017	$	58,368	$	8,337	$	66,705
2018		49,638		7,784		57,422
2019		43,192		5,695		48,887
2020		35,276		3,841		39,117
2021		28,062		1,999		30,061
Thereafter		56,008		1,332		57,340
	$	270,544	$	28,988	$	299,532