INCOME TAXES (Details 2) (USD $)	1 Months Ended	12 Months Ended						12 Months Ended
	Feb. 28, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Federal	Dec. 31, 2013 Federal Research and development	Mar. 31, 2013 Federal Research and development	Dec. 31, 2013 State	Dec. 31, 2013 State Research and development
INCOME TAXES
Amount received from sale of unused net operating losses	$ 400,000							$ 400,000
Net operating losses					286,000,000			256,400,000
Tax credit carry-forwards						3,700,000	200,000		2,300,000
Deferred Tax Liabilities, Gross		10,100,000
Deferred Tax Assets, Valuation Allowance		121,486,000	103,954,000
Increase in valuation allowance for deferred tax assets		17,500,000	20,700,000	16,600,000
Minimum cumulative change in ownership as a condition to offset taxable income or tax (as a percent)		50.00%
Period within which minimum cumulative change in ownership occurs as a condition to offset taxable income or tax		3 years
NOL carryforwards that relate to stock-based compensation		6,500,000
Decrease in deferred tax assets		400,000	400,000
Reconciliation of the beginning and ending amount of gross unrecognized tax benefit
Balance at beginning of year		420,000	420,000
Increases related to tax positions taken during the current year		0	0
Increases related to tax positions taken during a prior period		0	0
Balance at end of year		$ 420,000	$ 420,000	$ 420,000