STOCKHOLDERS' EQUITY (Details 3) (USD $)	3 Months Ended
Feb. 28, 2013	Feb. 29, 2012
Stock option activity
Outstanding at the beginning of the period (in shares)	796,794	868,290
Outstanding at the end of the period (in shares)	796,794	868,290
Weighted average exercise price
Outstanding at the beginning of the period (in dollars per share)	$ 3.96	$ 3.73
Outstanding at the end of the period (in dollars per share)	$ 3.96	$ 3.73
Weighted average remaining contractual Life
Outstanding and exercisable at the end of the period	2 years 1 month 6 days	2 years 10 months 24 days
Aggregate Intrinsic Value
Outstanding and exercisable at the end of the period	$ 38,961
Unrecognized compensation cost
Unrecognized compensation cost related to nonvested share-based compensation arrangements	$ 2,985,000
Weighted-average period for recognition of unrecognized compensation cost	2 years 7 months 6 days

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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

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-Name Accounting Standards Codification

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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