INCOME TAXES (Details - Deferred Income Taxes - Components) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Provision for accrued expenses	$ 4,368	$ 8,056
Net operating loss carryforwards (a)	6,296	8,548
Non-cash compensation expense	8,929	5,699
Goodwill	0	1,825
Contingent liabilities	6,666	0
Other	2,138	139
Total gross deferred tax assets	28,397	24,267
Less: valuation allowance (b)	(2,694)	(2,101)	$ (2,341)	$ (40,121)
Total deferred tax assets, net of the valuation allowance	25,703	22,166
Deferred tax liabilities:
Intangible and other assets	(1,960)	(2,704)
Other	(1,160)	(1,071)
Total gross deferred tax liabilities	(3,120)	(3,775)
Net deferred taxes	22,583	$ 18,391
Federal
Deferred tax liabilities:
Operating loss carryforwards	5,800
State
Deferred tax liabilities:
State operating loss carryforwards	$ 190,400