Supplemental Cash Flow Information (Details) (USD $)	6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Supplemental Cash Flow Information (Textual)
Principal amount of debentures	$ 3,500,000
Shares issued for debentures	382,091
Interest paid in cash	7,916,025	7,788,740
Amount of dividend reinvested	3,218,336	1,230,696
Convertible Debentures [Member]
Supplemental Cash Flow Information (Textual)
Principal amount of debentures	$ 3,500,000
Shares issued for debentures	382,091