GEOGRAPHIC AND RELATED INFORMATION - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenue, Major Customer [Line Items]
Revenue percentage	64.00%	83.00%	54.00%	73.00%
Customer D [Member]
Revenue, Major Customer [Line Items]
Revenue percentage	10.00%		10.00%
Revenues	$ 24.8		$ 39.1
Customer H [Member]
Revenue, Major Customer [Line Items]
Revenue percentage	10.00%
Revenues	5.4
Customer L [Member]
Revenue, Major Customer [Line Items]
Revenue percentage		10.00%		10.00%
Revenues		12.5		27.2
Customer M [Member]
Revenue, Major Customer [Line Items]
Revenue percentage				10.00%
Revenues				21.8
Customer J [Member]
Revenue, Major Customer [Line Items]
Revenue percentage		10.00%		10.00%
Revenues		31.1		77.8
Customer K [Member]
Revenue, Major Customer [Line Items]
Revenue percentage		10.00%		10.00%
Revenues		18.9		26.8
Customer E [Member]
Revenue, Major Customer [Line Items]
Revenue percentage			10.00%
Revenues			$ 55.2