2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue
Commercial Insurance	$ 36,911	$ 37,384	$ 38,846
Medicare	12,322	12,003	12,472
Medicaid	1,980	1,872	1,945
Workers Compensation/Personal Injury	2,805	2,643	2,746
Other	990	1,156	1,201
Service fee revenue, net of contractual allowances and discounts	55,008	55,058	57,210
Provision for bad debts	(2,824)	(2,832)	(2,777)
Net service fee revenue	$ 52,184	$ 52,226	$ 54,433