Income Taxes - Additional Information (Detail) (USD $)			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Federal	Dec. 31, 2013 Post-apportionment state	Dec. 31, 2013 Pre-apportionment state New York
Schedule Of Income Taxes [Line Items]
Valuation allowance	$ 31,931,000	$ 31,432,000
Federal net operating loss carry forwards	77,200,000
NOLs carry forward lower range			2021	2013	2021
NOLs carry forward upper range			2034	2034	2034
State and local net operating loss	30,300,000
Deferred tax assets tax credit carry forwards	108,000,000
Deferred tax asset recognized	$ 0
Deferred tax assets net operating loss carry forwards, expiration period	20 years