INTANGIBLE ASSETS - Identified Intangible Assets (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jul. 01, 2012	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Intangibles, net	$ 375,000			$ 500,000
Amortization expense	100,000	100,000	100,000
Developed technology
Finite-Lived Intangible Assets [Line Items]
Intangibles, gross	1,250,000			1,250,000
Accumulated amortization	(875,000)			(750,000)
Intangibles, net	$ 375,000			$ 500,000