Securities Available for Sale at Fair Value - Summary of Temporarily Impaired Securities (Details)	6 Months Ended
	Mar. 31, 2016 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 19,397,200
Less than 12 Months, Unrealized Losses	(176,852)
12 Months or Longer, Fair Value	996,993
12 Months or Longer, Unrealized Losses	(5,417)
Preferred Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	982,300
Less than 12 Months, Unrealized Losses	(13,540)
12 Months or Longer, Fair Value	0
12 Months or Longer, Unrealized Losses	0
Common Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	18,414,900
Less than 12 Months, Unrealized Losses	(163,312)
12 Months or Longer, Fair Value	996,993
12 Months or Longer, Unrealized Losses	$ (5,417)