INCOME TAXES (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Net operating loss and tax credit carryforwards
Net operating loss carryforwards	8,000,000
Number of states in which the entity primarily operates or has operated and has income tax nexus	3
Unrecognized tax benefits	0	0
CuraGen
Net operating loss and tax credit carryforwards
Assets recorded for net operating losses not yet utilized	0
Federal
Net operating loss and tax credit carryforwards
Period of recognition of unrealized loss or gain after the ownership change	5 years
Federal | R&D credit
Net operating loss and tax credit carryforwards
Tax credit carryforwards	20,800,000
Tax credit carryforwards with substantial limitations on use	23,600,000
Federal | Ownership change in October 2007
Net operating loss and tax credit carryforwards
Net operating loss carryforwards	28,300,000
Annual limitation	4,500,000
Federal | Ownership changes in June 2009 and December 2009
Net operating loss and tax credit carryforwards
Net operating loss carryforwards	67,700,000
Annual limitation	6,000,000
Federal | Prior to merger
Net operating loss and tax credit carryforwards
Net operating loss carryforwards	33,000,000
Federal | CuraGen | Prior to acquisition
Net operating loss and tax credit carryforwards
Net operating loss carryforwards	518,300,000
Federal | AVANT
Net operating loss and tax credit carryforwards
Net operating loss carryforwards		182,000,000
Loss carryforwards with limitations on use	40,400,000
Loss carryforwards remotely likely to be utilized in future periods	60,800,000
Federal | AVANT | Prior to merger
Net operating loss and tax credit carryforwards
NOL, net of expirations and utilization	101,200,000
State
Net operating loss and tax credit carryforwards
Tax credit carryforwards with substantial limitations on use	127,600,000
State | R&D credit
Net operating loss and tax credit carryforwards
Tax credit carryforwards	14,400,000
Tax credit carryforwards with substantial limitations on use	9,300,000