NON-RECURRING EVENT - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Non Recurring Event [Line Items]
Purchase Price of HSIC's Inventory	$ 1,100,000
Increase in inventory	1,100,000
Decrease in account receivable	1,100,000
De-recognized of account receivable		155,000
De-recognized Accrued Warranties		142,000
Reversal of accrued sales and marketing service liabilities		350,000
Decrease in revenues		1,100,000
Decrease in cost of revenues		$ 1,100,000