Employee Stock Compensation (Details) (USD $)	3 Months Ended	12 Months Ended
	Apr. 30, 2014	Jan. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding at January 31, 2014	24,000
Number of Shares, Granted during the three months ended April 30, 2014	0
Number of Shares, Outstanding at April 30, 2014	24,000	24,000
Number of Shares, Exercisable at April 30, 2014	24,000
Number of Shares, Reserved for future issuance, Directors' Plan (expired on December 31, 2012)	0
Number of Shares, Directors Plan (Expired on December 31, 2012)
Weighted Average Exercise Price per Share, Outstanding at January 31, 2014	$ 7.47
Weighted Average Exercise Price per Share, Granted during the three months ended April 30, 2014	$ 0
Weighted Average Exercise Price per Share, Outstanding at April 30, 2014	$ 7.47	$ 7.47
Weighted Average Exercise Price per Share, Exercisable at April 30, 2014	$ 7.47
Weighted Average Remaining Contractual Term, Outstanding	2 years 8 months 12 days	2 years 11 months 12 days
Weighted Average Remaining Contractual Term, Exercisable at April 30, 2014	2 years 8 months 12 days
Aggregate Intrinsic Value, Outstanding at January 31, 2014	$ 0
Aggregate Intrinsic Value, Outstanding at April 30, 2014	4,600	0
Aggregate Intrinsic Value, Exercisable at April 30, 2014	$ 4,600