Condensed interim consolidated statements of shareholders equity (USD $)	Shares of common stock [Member]	Donated shares [Member]	Additional paid-in capital [Member]	Statutory reserve [Member]	Accumulated deficit [Member]	Accumulated other comprehensive income [Member]	Treasury shares [Member]	Total
Beginning Balance at Sep. 30, 2011	$ 12,763	$ 14,101,689	$ 126,186,526	$ 7,645,303	$ (44,410,240)	$ 35,804,409	$ (4,066,610)	$ 135,273,840
Beginning Balance (Shares) at Sep. 30, 2011	12,763,255						(144,206)
Net loss					(1,819,754)			(1,819,754)
Share-based compensation for employee stock awards			255,477					255,477
Appropriation to statutory reserves				140,854	(140,854)
Foreign currency translation adjustment						1,791,087		1,791,087
Ending Balance at Dec. 31, 2011	12,763	14,101,689	126,442,003	7,786,157	(46,370,848)	37,595,496	(4,066,610)	135,500,650
Ending Balance (Shares) at Dec. 31, 2011	12,763,255						(144,206)
Beginning Balance at Sep. 30, 2012	12,763	14,101,689	126,990,611	7,786,157	(110,358,489)	37,329,450	(4,066,610)	71,795,571
Beginning Balance (Shares) at Sep. 30, 2012	12,763,269						(144,206)
Net loss					(25,224,918)			(25,224,918)
Share-based compensation for employee stock awards			121,046					121,046
Rounding difference on reverse stock split (Shares)	534
Foreign currency translation adjustment						939,983		939,983
Ending Balance at Dec. 31, 2012	$ 12,763	$ 14,101,689	$ 127,111,657	$ 7,786,157	$ (135,583,407)	$ 38,269,433	$ (4,066,610)	$ 47,631,682
Ending Balance (Shares) at Dec. 31, 2012	12,763,803						(144,206)