SUBSEQUENT EVENT (Details) (Revolving Credit Facility, Subsequent Event, USD $)	0 Months Ended
	Apr. 12, 2013
Subsequent Event [Line Items]
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%
Credit Agreement, increase of interest rate if an event of default occurs	2.00%
Credit Agreement, upfront fee	$ 125,000
Credit Agreement, undrawn line fee percentage	0.375%
Alternative Base Rate
Subsequent Event [Line Items]
Number of fiscal quarters most recently ended for consolidated EBITDA	4
Eurodollar Rate
Subsequent Event [Line Items]
Denominator of applicable margin	1
Eurodollar Rate | Minimum
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	3.25%
Eurodollar Rate | Maximum
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	4.50%
Federal Funds Effective Rate | Alternative Base Rate
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	0.50%
Prime Rate | Alternative Base Rate
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	0.00%
Prime Rate | Alternative Base Rate | Minimum
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	0.25%
Prime Rate | Alternative Base Rate | Maximum
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	1.50%