Schedule of Government subsidies (Details) (USD $)	6 Months Ended
	Mar. 31, 2013
Deferred Revenue And Other Long-term Payables Schedule Of Government Subsidies 1	$ 7,913,200
Deferred Revenue And Other Long-term Payables Schedule Of Government Subsidies 2	8,012,759
Deferred Revenue And Other Long-term Payables Schedule Of Government Subsidies 3	0
Deferred Revenue And Other Long-term Payables Schedule Of Government Subsidies 4	9,665,571
Deferred Revenue And Other Long-term Payables Schedule Of Government Subsidies 5	2,384,126
Deferred Revenue And Other Long-term Payables Schedule Of Government Subsidies 6	4,197,426
Deferred Revenue And Other Long-term Payables Schedule Of Government Subsidies 7	67,046
Deferred Revenue And Other Long-term Payables Schedule Of Government Subsidies 8	0
Deferred Revenue And Other Long-term Payables Schedule Of Government Subsidies 9	10,364,372
Deferred Revenue And Other Long-term Payables Schedule Of Government Subsidies 10	$ 21,875,756