STOCKHOLDERS' EQUITY (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Stockholders' Equity Note [Abstract]
Shares authorized (in shares)	100,000,000		100,000,000		100,000,000
Shares outstanding at end of period (in shares)	14,029,000		14,029,000		13,358,000
Shares held in treasury (in shares)	400,000		400,000		118,000
Common stock, par value (in dollars per share)	$ 0.001		$ 0.001
Preferred stock, shares authorized (in shares)	10,000,000		10,000,000
Preferred stock, par value (in dollars per share)	$ 0.001		$ 0.001
Preferred stock, shares issued (in shares)	0		0		0
Preferred stock, shares outstanding (in shares)	0		0		0
Shares withheld to satisfy tax obligations (in shares)	128,000	45,000	282,000	55,000
Value of treasury stock withheld	$ 2.5	$ 0.3	$ 4.6	$ 0.3