Condensed consolidated statements of comprehensive income (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Net revenues	$ 44,066,491	$ 32,780,933	$ 107,798,852	$ 104,535,890
Cost of revenues	(47,619,000)	(36,651,065)	(115,590,371)	(94,374,822)
Gross profit/(loss)	(3,552,509)	(3,870,132)	(7,791,519)	10,161,068
Operating expenses:
Research and development expenses	(1,314,604)	(709,956)	(2,859,640)	(1,196,230)
Sales and marketing expenses	(1,914,579)	(1,752,896)	(4,102,594)	(3,710,566)
General and administrative expenses	(6,750,289)	(6,672,047)	(10,531,536)	(9,183,585)
(Provision for)/ recovery of bad debt	8,342,151	(421,446)	2,142,085	(3,680,680)
Impairment charge on property, plant and equipment	(11,396,349)	0	(11,396,349)	(2,707,686)
Total operating expenses	(13,033,670)	(9,556,345)	(26,748,034)	(20,478,747)
Operating loss	(16,586,179)	(13,426,477)	(34,539,553)	(10,317,679)
Finance costs, net	(1,705,189)	(2,634,429)	(4,439,308)	(5,517,158)
(Loss)/reversal of loss arising from loan guarantees	4,549,667	0	(2,811,039)	0
Government grant income	35	28,607	18,277	76,912
Other income/(expenses)	47,555	412,097	(56,231)	431,979
Loss before income taxes	(13,694,111)	(15,620,202)	(41,827,854)	(15,325,946)
Income tax expenses	(5,994,266)	(7,846)	(6,026,273)	(2,121,856)
Net loss	(19,688,377)	(15,628,048)	(47,854,127)	(17,447,802)
Other comprehensive income
- Foreign currency translation adjustment	432,726	67,744	1,364,166	1,858,831
Comprehensive loss	$ (19,255,651)	$ (15,560,304)	$ (46,489,961)	$ (15,588,971)
Net loss per share:
- Basic	$ (1.56)	$ (1.24)	$ (3.79)	$ (1.38)
- Diluted	$ (1.56)	$ (1.24)	$ (3.79)	$ (1.38)
Weighted average number of shares of common stock:
- Basic	12,619,597	12,619,049	12,619,597	12,619,049
- Diluted	12,619,597	12,619,049	12,619,597	12,619,049