8. COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
2017	$ 2,321
2018	1,875
2019	1,465
2020	960
2021	339
Thereafter	351
Total minimum annual payments under operating leases	$ 7,311
Facilities
2017		$ 1,917
2018		1,475
2019		1,081
2020		593
2021		248
Thereafter		351
Total minimum annual payments under operating leases		5,665
Equipment
2017		404
2018		400
2019		385
2020		367
2021		90
Thereafter		0
Total minimum annual payments under operating leases		$ 1,646