PREPAID EXPENSES AND OTHER CURRENT ASSETS AND ACCRUED EXPENSES (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012
PREPAID EXPENSES AND OTHER CURRENT ASSETS AND ACCRUED EXPENSES [Abstract]
Tax and interest payment related to settlement of state exise and sales tax contingencies	$ 300
State excise and sales tax reserve	$ 1,700	$ 2,000