Discontinued Operations (Tables)

12 Months Ended

Mar. 31, 2013

Discontinued Operations And Disposal Groups [Abstract]

Schedule of Income (Loss) from Discontinued Operations

	2013		2012			2011
	US$		US$			US$
Net Sales		—		53,885,407			43,485,638
Cost of goods sold		—		(44,386,508	)		(40,658,730	)
Gross profit		—		9,498,899			2,826,908
Selling, general and administrative expenses		—		(6,904,111	)		(4,511,573	)
Other operating loss		—		—			(31,990	)
Operating profit (loss)		—		2,594,788			(1,716,655	)
Interest expense, net		—		(2,403	)		—
Other income (expense), net		725,773		(1,192,780	)		(59,224	)
Income tax expenses		—		(25,263	)		—
Income (Loss) from discontinued operations		725,773		1,374,342			(1,775,879	)