The effective interest rate at the end of the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The percentage points added to the reference rate or index during the adjustment period to compute the variable [fully indexed] rate on the loans receivable realized during the reporting period. This may be an effective margin for the period depending on the specific terms of the underlying loan agreement (for example, an annual disclosure for a loan with a quarterly adjustment period).

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Provision to reduce borrowings under line of credit facility for period.

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Debt (Narrative) (Details) - USD ($)	9 Months Ended
Debt (Narrative) (Details) - USD ($)	Oct. 31, 2015	Apr. 15, 2014
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate at Period End	4.00%
Provision to reduce borrowings under the line	$ 6,000,000
Provision to reduce borrowings under the line, period	60 days
PNC [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Remaining borrowing capacity	$ 13,331,000
PNC [Member] \| Revolving Credit Facility [Member] \| Amendment No. 7 To The Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 50,000,000
Eurodollar [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Revolving credit facility bears interest range of	1.75%
Eurodollar [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Revolving credit facility bears interest range of	2.75%
Alternate Base Rate Loans [Member] \| London Interbank Offered Rate LIBOR [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Revolving credit facility bears interest range of	0.75%
Alternate Base Rate Loans [Member] \| London Interbank Offered Rate LIBOR [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Revolving credit facility bears interest range of	1.75%