Consolidated Statements of Changes in Shareholders Equity (USD $)	Common stock [Member]	Donated shares [Member]	Additional paid-in capital [Member]	Statutory Reserves [Member]	Accumulated deficit [Member]	Accumulated other comprehensive income [Member]	Treasury shares [Member]	Total
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					(116,029,079)			(116,029,079)
Share-based compensation for employee stock awards			359,006					359,006
Rounding difference on reverse stock split (Shares)	534
Disposal of a subsidiary					20,850	(20,850)		(20,850)
Foreign currency translation adjustment						602,337		602,337
Ending Balance at Sep. 30, 2013	12,763	14,101,689	127,349,617	7,786,157	(226,366,718)	37,910,937	(4,066,610)	(43,272,165)
Ending Balance (Shares) at Sep. 30, 2013	12,763,803						(144,206)
Net loss					37,775,916			37,775,916
Loss of control on BAK International				(7,786,157)	46,794,606	(39,008,449)
Share-based compensation for employee stock awards			88,745					88,745
Disposal of a subsidiary								(39,008,449)
Foreign currency translation adjustment						1,071,881		1,071,881
Ending Balance at Sep. 30, 2014	$ 12,763	$ 14,101,689	$ 127,438,362		$ (141,796,196)	$ (25,631)	$ (4,066,610)	$ (4,335,623)
Ending Balance (Shares) at Sep. 30, 2014	12,763,803						(144,206)