INCOME TAXES (Details - Components of Deferred Tax Assets and Liabilities) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Reserve for bad debts	$ 2,437	$ 2,849
Accrued compensation	5,562	10,725
Stock compensation	14,268	12,686
Net operating losses	30,319	36,406
Accrued reserve and other	2,097	3,515
Unrealized loss on securities	326	377
Deferred rent	7,814	7,274
Deferred revenue	0	2,243
Deferred gain on the sale of building	8,166	9,128
Total deferred tax assets, prior to valuation allowance	70,989	85,203
Valuation allowance	(8,557)	(9,347)
Total deferred tax assets, net of valuation allowance	62,432	75,856
Deferred tax liabilities:
Prepaids	(1,753)	(1,335)
Depreciation	(13,045)	(13,047)
Intangibles	(58,747)	(56,952)
Total deferred tax liabilities	(73,545)	(71,334)
Net deferred tax assets		$ 4,522
Net deferred tax liabilities	$ (11,113)