Long-term Debt and Obligations - Additional Information (Detail) (USD $)	9 Months Ended		1 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Apr. 30, 2014 Term loan facility [Member]	Sep. 30, 2014 Term loan facility [Member]	Apr. 30, 2014 Term loan facility [Member] October 2014 [Member]	Apr. 30, 2014 Term loan facility [Member] May 2015 [Member]
Line of Credit Facility [Line Items]
Credit facility, borrowing capacity			$ 45,000,000
Credit facility, borrowing capacity			52,000,000
Credit facility, Outstanding			20,000,000
End of term payment			1,000,000
Amount of make-whole premium payment			300,000
Total incurred and recorded repayment			1,400,000
Percentage of accrue interest			12.50%
Percentage of deferred payment			3.50%	3.50%
End of deferred payment term				First four years term
Loss on extinguishment of debt	(581,000)	0	600,000
Credit facility, additional borrowing capacity			15,000,000		10,000,000	5,000,000
Interest payment period
Percentage of redemption fee	4.00%
Number of installments	4
Annual revenue recognized	40,000,000
Increase in annual revenue in fiscal years	$ 15,000,000
Annual revenue recognize description	The Company must also satisfy certain minimum annual revenue requirements, which shall initially be $40.0 million for 2014 with annual increases of $15.0 million for each subsequent fiscal year thereafter.