INCOME TAXES (Details - Components of Deferred Tax Assets and Liabilities) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Reserve for bad debts	$ 2,849	$ 1,825
Accrued compensation	10,725	7,287
Stock compensation	12,686	8,758
Net operating losses	36,406	15,665
Accrued reserve and other	3,515	3,360
Unrealized loss on securities	377	491
Deferred rent	7,274	5,902
Deferred revenue	2,243	1,879
Deferred gain on the sale of building	9,128	10,690
Total deferred tax assets, prior to valuation allowance	85,203	55,857
Valuation allowance	(9,347)	(7,783)
Total deferred tax assets, net of valuation allowance	75,856	48,074
Deferred tax liabilities:
Prepaids	(1,335)	(1,258)
Depreciation	(13,047)	(9,806)
Intangibles	(56,952)	(47,720)
Total deferred tax liabilities	71,334	58,784
Net deferred tax liabilities		$ (10,710)
Net deferred tax assets	$ 4,522