Balance Sheet (Details Textual) (USD $)	6 Months Ended
Jul. 31, 2013 Customer	Jan. 31, 2013
Balance Sheet (Textual) [Abstract]
Contracts receivable	$ 858,000	$ 904,000
Contracts receivable, Interest rate	8.50%
Notes receivable relate to promissory notes	$ 217,000	$ 1,471,000
Number of customers	2
Maximum [Member]
Balance Sheet [Line Items]
Contracts receivable repayment term	11 months
Minimum [Member]
Balance Sheet [Line Items]
Contracts receivable repayment term	1 month

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- Definition

Contracts receivable repayment term.

+ References

No definition available.

+ Details

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- Definition

Number of customer.

+ References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date, net of allowance for doubtful accounts, of account and note receivables due from other than related parties.

+ References

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 210.5-02.3-4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	debit
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- Definition

Amounts due for billed services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the Company and, at a minimum, one other party. An example would be amounts billed to customers under contracts or programs but not paid as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3(c))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	debit
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- Definition

The weighted average interest rate charged on contract receivables maturing after one year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 910

-SubTopic 310

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6471494&loc=d3e49354-109356

+ Details

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