Short-term Bank Loans (Narrative) (Details) (USD $)	6 Months Ended
	Mar. 31, 2013 M
Short-term Bank Loans 1	$ 156,154,525
Short-term Bank Loans 2	$ 162,786,110
Short-term Bank Loans 3	4.40%
Short-term Bank Loans 4	6.90%
Short-term Bank Loans 5	6
Short-term Bank Loans 6	12