Acquisition - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		1 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Open E Cry Limited Liability Company	Jun. 27, 2012 Open E Cry Limited Liability Company
Business Acquisition [Line Items]
Cash paid						$ 12,000,000
Working capital adjustment						2,593,000
Revenues					1,200,000
Expenses					1,300,000
Net loss before tax	$ 4,431,000	$ 11,783,000	$ 8,561,000	$ 30,021,000	$ 100,000