BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) (USD $)		0 Months Ended
	Mar. 31, 2013	Apr. 12, 2013 Revolving Credit Facility Subsequent Event	Apr. 12, 2013 Alternative Base Rate [Member] Federal Funds Effective Rate [Member] Revolving Credit Facility Subsequent Event	Apr. 12, 2013 Alternative Base Rate [Member] Prime Rate [Member] Revolving Credit Facility Subsequent Event	Apr. 12, 2013 Maximum Alternative Base Rate [Member] Prime Rate [Member] Revolving Credit Facility Subsequent Event
Accounting Policies [Line Items]
Cash, cash equivalents and restricted cash	$ 12,700,000
Working capital	32,300,000
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		$ 10,000,000
Credit Agreement, stated interest rate		4.75%
Debt Instrument, Basis Spread on Variable Rate			0.50%	0.00%	1.50%