EQUITY AND CASH COMPENSATION UNDER THE PPG AGREEMENTS (Details) (USD $)		0 Months Ended		12 Months Ended
	Dec. 31, 2013	Oct. 01, 2000 Development Arrangement [Member]	Oct. 01, 2000 Supply Agreement [Member]	Dec. 31, 2013 New OLED Materials Agreement and OLED Materials Agreement [Member]	Dec. 31, 2012 New OLED Materials Agreement and OLED Materials Agreement [Member]	Dec. 31, 2011 New OLED Materials Agreement and OLED Materials Agreement [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment, Agreement Period		5 years	7 years
Percent Of Services Payable In Cash Or Shares	50.00%
Minimum average closing price of common stock (in dollars per share)				$ 20.00
Issuance of common stock in connection with materials and license agreements (in shares)				0		181
Charges to expense for issuance of common stock in connection with materials and license agreements						$ 9,000
Charges to expense for cash portion of reimbursement of expenses				$ 7,500,000	$ 6,200,000	$ 3,500,000