Legal Proceedings (Details Textual) $ in Millions		3 Months Ended
	Jul. 13, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2013 shareholder_class_action	Jun. 10, 2013 shareholder_class_action	May. 07, 2013 shareholder_class_action
Federal Shareholder Derivative Settlement
Loss Contingencies [Line Items]
Number of shareholder class actions filed			2
Number of actions				2
Fee award amount | $	$ 1.1
Federal Shareholder Derivative Settlement | Accounts Payable and Accrued Liabilities
Loss Contingencies [Line Items]
Accrued liability released due to settlement | $		$ 1.1
Federal Shareholder Derivative Settlement | Trade and Other Accounts Receivable
Loss Contingencies [Line Items]
Receivable released due to settlement | $		$ 1.1
State Shareholder Derivative Matter
Loss Contingencies [Line Items]
Number of shareholder class actions filed			2
Number of actions					2