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Stock-Based Compensation Plans (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2015
Summary of status of the Company's non-vested share awards
Non-vested shares under option at January 1, 2015	945,940us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Non-vested share under option, vested	(76,376)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Non-vested share under option, forfeited	(151,733)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
Non-vested shares under option at March 31, 2015	717,831us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Weighted average grant date fair value at January 1, 2015	$ 0.29us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
Weighted average grant date fair value, vested	$ 0.56us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
Weighted average grant date fair value, forfeited	$ 0.27us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
Weighted average grant date fair value at March 31, 2015	$ 0.27us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue

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Number of non-vested options outstanding.

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