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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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Income Taxes (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended			3 Months Ended
Income Taxes (Narrative) (Details) (USD $)	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Income Taxes [Line Items]
Effective Income Tax Rate Continuing Operations			43.70%	38.10%	30.20%
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ 596,000	$ 986,000
Federal tax carryforwards		6,459,000	3,249,000	6,459,000		3,249,000
Deferred income tax expense (benefit)			2,935,000us-gaap_DeferredIncomeTaxExpenseBenefit	(2,998,000)us-gaap_DeferredIncomeTaxExpenseBenefit	12,635,000us-gaap_DeferredIncomeTaxExpenseBenefit
Operating Loss Carryforwards		52,500,000us-gaap_OperatingLossCarryforwards	41,500,000us-gaap_OperatingLossCarryforwards	52,500,000us-gaap_OperatingLossCarryforwards		41,500,000us-gaap_OperatingLossCarryforwards
Internal Revenue Service (IRS) [Member]
Income Taxes [Line Items]
Open Tax Year			2012
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Continuing Operations			0.00%
Valuation Allowance, Deferred Tax Asset, Change in Amount			596,000	986,000
Tax Credit Carryforward, Amount		257,000	267,000	257,000		267,000
Operating Loss Carryforwards		8,700,000	8,100,000	8,700,000		8,100,000
Tax Adjustments, Settlements, and Unusual Provisions			179,000
Research Tax Credit Carryforward [Member]
Income Taxes [Line Items]
Tax Credit Carryforward, Amount		1,400,000	1,700,000	1,400,000		1,700,000
Research Tax Credit Carryforward [Member] \| New York [Member]
Income Taxes [Line Items]
Net discrete tax benefit for research and development tax credits						342,000
Minimum [Member] \| Research Tax Credit Carryforward [Member]
Income Taxes [Line Items]
Tax Credit Carryforward, Amount		$ 334,000	$ 597,000	$ 334,000		$ 597,000