Subsequent Event (Details Textual) (Subsequent Event [Member])	1 Months Ended
	Apr. 30, 2014
Subsequent Event [Member]
Subsequent Event [Line Items]
Beneficiary Of Ownership Percentage Description	Stockholders who currently own 4.99% or more of the outstanding shares of the Companys common stock will not trigger the preferred share purchase rights unless they acquire shares representing a percentage of common stock that exceeds by 0.5% or more the lowest percentage of common stock that such stockholder had at any time since April 30, 2014.