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Income Taxes (Details 1) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Abstract]
Computed expected tax (benefit) expense	$ (86,853)us-gaap_IncomeTaxReconciliationNondeductibleExpense	$ 69,788us-gaap_IncomeTaxReconciliationNondeductibleExpense	$ 65,332us-gaap_IncomeTaxReconciliationNondeductibleExpense
State income taxes, net of federal (benefit) expense	(6,968)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes	8,482us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes	8,015us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Share-based compensation	10,201us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	10,526us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	9,766us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
Research and development tax credit	(19,405)us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment	(21,887)us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment	(10,813)us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment
Other	14,733us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther	20,956us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther	30,340us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther
Total income tax (benefit) expense	$ (88,292)us-gaap_IncomeTaxExpenseBenefit	$ 87,865us-gaap_IncomeTaxExpenseBenefit	$ 102,640us-gaap_IncomeTaxExpenseBenefit

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Name Accounting Standards Codification

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.

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