Income Taxes (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Deferred tax assets [Abstract]
Federal tax loss carry-forwards			$ 7,607,000
State tax loss carry-forward			14,559,000
(Provision) benefit for income taxes [Abstract]
(Provision) benefit for income taxes	0	213,000
Federal and State Authorities [Member]
Tax Credit Carryforward [Line Items]
Expiration date	2033
Research and development credit carryforwards [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforward amount			1,178,000
Research and development credit carryforwards [Member] | Minimum [Member]
Tax Credit Carryforward [Line Items]
Expiration date	2020
Research and development credit carryforwards [Member] | Maximum [Member]
Tax Credit Carryforward [Line Items]
Expiration date	2033
Foreign tax credit carryforwards [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforward amount			$ 359,000
Foreign tax credit carryforwards [Member] | Minimum [Member]
Tax Credit Carryforward [Line Items]
Expiration date	2018
Foreign tax credit carryforwards [Member] | Maximum [Member]
Tax Credit Carryforward [Line Items]
Expiration date	2020