9. Fair Value Measurements (Details 1) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Dec. 31, 2014
Assets:
Certificate of deposit	$ 252	$ 251
Liabilities:
Acquisition related contingent consideration	0	99	$ 211
Level 1 Member
Assets:
Certificate of deposit	0	0
Liabilities:
Acquisition related contingent consideration	0	0
Level 2 Member
Assets:
Certificate of deposit	252	251
Liabilities:
Acquisition related contingent consideration	0	0
Level 3 Member
Assets:
Certificate of deposit	0	0
Liabilities:
Acquisition related contingent consideration	$ 0	$ 99