Income Taxes (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Summary of deferred tax assets
Net operating loss carry forwards	$ 27,974,000	$ 27,872,000
Orphan drug and research and development credit carry forwards	2,986,000	3,068,000
Other	3,310,000	1,443,000
Total	34,270,000us-gaap_DeferredTaxAssetsGross	32,383,000us-gaap_DeferredTaxAssetsGross
Valuation allowance	(34,270,000)	(32,383,000)
Net deferred tax assets

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to other deductible loss carryforwards not separately disclosed.

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