BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) (USD $)			0 Months Ended
	Sep. 29, 2013	Dec. 31, 2012	Apr. 12, 2013 Revolving Credit Facility	Sep. 29, 2013 Revolving Credit Facility	Sep. 29, 2013 Alternative Base Rate [Member] Federal Funds Effective Rate [Member] Revolving Credit Facility	Sep. 29, 2013 Alternative Base Rate [Member] Prime Rate [Member] Revolving Credit Facility
Accounting Policies [Line Items]
Cash, cash equivalents and restricted cash	$ 13,700,000
Working capital	29,900,000
Credit Agreement, term			3 years
Credit Agreement, maximum borrowing capacity			25,000,000
Credit Agreement, borrowing base components, percentage of eligible accounts receivable and advance billings			80.00%
Credit Agreement, borrowing base components, percentage of eligible inventory minus reserves			30.00%
Credit Agreement, amount outstanding	$ 20,000,000	$ 0		$ 20,000,000
Debt Instrument, Interest Rate During Period				4.75%
Debt Instrument, Basis Spread on Variable Rate					0.50%	1.50%