Income Taxes (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Tax (Textual) [Abstract]
State provision for income taxes	$ 4,000
Income Tax (Additional Textual) [Abstract]
Federal provision for income taxes	0	0
Valuation allowance	(31,432,000)	(34,968,000)
Federal net operating loss carryforwards	73,600,000
State and local net operating loss	42,400,000
Deferred tax assets tax credit carryforwards	105,100,000
Deferred tax asset is recognized	0
Deferred tax assets carry forwards	20 years
Decrease in valuation allowance	3,500,000
Federal [Member]
Income Tax (Textual) [Abstract]
NOLs carry forward lower range	2021
NOLs carry forward upper range	2032
Post-apportionment state [Member]
Income Tax (Textual) [Abstract]
NOLs carry forward lower range	2013
NOLs carry forward upper range	2032
State provision for income taxes	$ 4,000	$ 0
Pre-apportionment state [Member]
Income Tax (Textual) [Abstract]
NOLs carry forward lower range for NY	2020
NOLs carry forward upper range for NY	2032