Fullscope Embezzlement - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2013
Extraordinary And Unusual Items [Abstract]
Accrual for pre-acquisition sales and use tax exposure estimated	$ 273,000
Combined value of two escrow accounts	4,600,000
Payments associated with sales and use tax liabilities	$ 1,200,000