Discontinued Operations in India (Details Textual) (USD $)	6 Months Ended
	Jul. 31, 2012
Discontinued Operation Income Loss On Pretax Loss On Disposal	$ 1,700,000
Disposal Group Including Discontinued Operation Fixed Assets Write Downs	900,000
Disposal Group Including Discontinued Operation Inventory Write Downs	400,000
Disposal Group Including Discontinued Operation Professional Fees	100,000
Disposal Group Including Discontinued Operation Shutdown Expenses	$ 300,000