Income Taxes - Additional Information (Detail) (USD $)			9 Months Ended
	Sep. 30, 2014 LegalMatter	Dec. 31, 2013	Sep. 30, 2014 New York	Sep. 30, 2014 Federal	Sep. 30, 2014 Post-apportionment state	Sep. 30, 2014 Pre-apportionment state New York
Schedule Of Income Taxes [Line Items]
Valuation allowance	$ 36,053,000	$ 31,931,000
Federal net operating loss carry forwards	90,100,000
NOLs carry forward lower range				2021	2014	2021
NOLs carry forward upper range				2035	2035	2035
State and local net operating loss	43,300,000
Deferred tax assets net operating loss carry forwards, expiration period			20 years	20 years
Number of jurisdictions related to NOLs	2
Deferred tax assets tax credit carry forwards	116,200,000
Deferred tax asset recognized	$ 0