Income Taxes (Details Textual) (USD $)	12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Income Taxes (Textual) [Abstract]
Federal corporate income tax rate	35.00%	34.00%
Accrued income taxes included in accrued expenses	$ 1,362,000
Prepaid income taxes included in prepaid expenses and other current assets		1,602,000
Net deferred tax assets	$ 1,639,000	$ 1,529,000