INCOME TAXES (Details 4) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Deferred Tax Assets:
Net operating loss carryforwards	$ 4,237,000	$ 21,500,000
Tax carryforwards	133,000	4,700,000
In-process research and development	665,000	1,100,000
Deferred revenue	88,248,000	7,500,000
Intangibles	1,363,000	500,000
Other, net	11,226,000	7,200,000
Total deferred tax assets	105,872,000	42,500,000
Valuation allowance for deferred tax assets	(2,670,000)	(42,500,000)
Deferred tax assets, net	103,202,000
Increase (decrease) in valuation allowance	(39,800,000)	7,800,000	(27,600,000)
Federal and state net operating loss carryforwards related to stock option deductions	11,000,000
Tax effect of the stock option benefit	4,500,000
Activity related to unrecognized tax benefits
Unrecognized tax benefits at the beginning of the period	3,594,000	3,573,000
Gross increases - current year tax positions	174,000	21,000
Gross increases - prior year tax positions	111,000
Unrecognized tax benefits at the end of the period	$ 3,879,000	$ 3,594,000	$ 3,573,000