Legal Proceedings (Details Textual) (USD $)	12 Months Ended	24 Months Ended	3 Months Ended
	Mar. 31, 2012 SEC Penalties Settlement [Member]	Mar. 31, 2013 Doj Penalties Settlement [Member]	Sep. 30, 2014 Securities Class Action Settlement [Member]	Sep. 30, 2014 Federal Shareholder Derivative Settlement [Member]
Loss Contingencies [Line Items]
Litigation Settlement, Amount	$ 6,400,000	$ 8,000,000	$ 3,300,000
Loss Contingency, Accrual, Current			3,300,000	650,000
Insurance Settlements Receivable, Current			3,300,000	650,000
Loss Contingency, Range of Possible Loss, Minimum				650,000
Loss Contingency, Range of Possible Loss, Maximum				$ 1,500,000