Commitments and Contingencies (Tables)

12 Months Ended

Jan. 31, 2013

Commitments and Contingencies [Abstract]

Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]

Purchase commitments as of January 31, 2013 are as follows:

	Payments Due By Period
	Less Than One Year		One Year to 3 Years		Greater Than 3 Years to 5 Years		After 5 Years		Total
Purchase commitments	$	5,681,000	$	411,000	$	-	$	-	$	6,092,000