Percentage of interest acquired in joint venture.

No definition available.

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- Definition

Percentage of revenue from joint venture as to aggregate net revenue.

+ References

No definition available.

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- Definition

Prospective funding arrangement, maximum capacity.

+ References

No definition available.

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- Definition

Variable interest entity deconsolidation gain loss.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 230

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6450594&loc=d3e33268-110906

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- Definition

Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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- Definition

Amount of Income (Loss) attributable to the noncontrolling interest.

+ References

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684

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-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 55

-Paragraph 4J

-URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686

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- Definition

Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(d))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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- Definition

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (bb)

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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph b

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-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph (c)

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- Definition

The amount of financial or other support the reporting entity has provided (explicitly or implicitly) to the Variable Interest Entity (VIE) that it was not previously contractually required to provide or that the reporting entity intends to provide, including, for example, situations in which the reporting entity assisted the VIE in obtaining another type of support.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 5A

-Subparagraph (c)

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- Definition

Number of Variable Interest Entities (VIE) or potential VIEs for which the necessary information is unable to be obtained to: (1) determine whether the legal entity is a VIE, (2) determine whether it (the reporting entity) is the VIE's primary beneficiary, or (3) perform the accounting required to consolidate the VIE for which it is determined that it (the reporting entity) is the primary beneficiary.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph a

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Special Purpose Entities (Details) (Textual) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended		3 Months Ended					3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended
Special Purpose Entities (Details) (Textual) (USD $)	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013 Project	Jul. 31, 2012	Apr. 30, 2013 Moxie Liberty LLC [Member]	Jul. 31, 2013 Moxie Liberty LLC [Member]	Jul. 31, 2013 Moxie Patriot Llc [Member]	Jul. 31, 2013 Notes receivable [Member] Moxie Liberty LLC [Member]	Jul. 31, 2013 Accrued Interest Receivable on Notes [Member] Moxie Liberty LLC [Member]	Jul. 31, 2013 Loans Receivable [Member]	Jul. 31, 2013 Secured Debt [Member]	Jul. 31, 2012 Variable interest entity, primary beneficiary [Member]	Jul. 31, 2013 Variable interest entity, primary beneficiary [Member]	Jul. 31, 2012 Variable interest entity, primary beneficiary [Member]	Jul. 31, 2013 Joint Venture [Member]	Jul. 31, 2013 Joint Venture [Member]
Special Purpose Entities (Textual) [Abstract]
Net losses associated with moxie project entities	$ (1,300,000)	$ 220,000	$ (1,830,000)	$ 396,000								$ 362,000	$ 261,000	$ 644,000
Prospective amount of loan to Moxie Projects, maximum													10,000,000
Annual interest rate										20.00%	10.00%
Note Receivable from Moxie Liberty								8,179,000	1,512,000
Company's amount of maximum exposure to loss						9,691,000
Percentage of Interest Acquired In Joint Venture															75.00%
Percentage of revenue from consolidated joint venture as to Consolidated net revenue Description	Less Than 10%		Less Than 10%
Net cash used in discontinued operating activities			(22,225,000)	30,310,000
Net revenues	57,864,000	82,619,000	104,512,000	146,309,000
Net cash used in discontinued operating activities				(78,000)
Income attributable to the noncontrolling interest															79,000	79,000
Gains on the deconsolidation of variable interest entities	1,324,000		2,444,000		1,120,000		1,324,000
Special Purpose Entities (Additional Textual) [Abstract]
Number of natural gas-fired power plant projects under development			2
Prospective amount of loan to Moxie projects			$ 8,179,000