Basis of Presentation and Accounting Principles (Narrative) (Details) - USD ($)				3 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Basis Of Presentation And Accounting Principles [Line Items]
Provision (benefit) for income taxes				$ (1,107,000)	$ (2,368,000)
ASU 2015-17 [Member]
Basis Of Presentation And Accounting Principles [Line Items]
Prior period reclassification	$ 201,900	$ 310,900
ASU 2016-15 [Member]
Basis Of Presentation And Accounting Principles [Line Items]
Prior period reclassification	847,578		$ 2,693,812
ASU 2016-09 [Member]
Basis Of Presentation And Accounting Principles [Line Items]
Provision (benefit) for income taxes				228,000
Other Property and Equipment [Member]
Basis Of Presentation And Accounting Principles [Line Items]
Unamortized debt issuance expense	$ 232,928	$ 263,584		$ 232,928