Changes in Premium Advances Account (Detail) (USD $)	3 Months Ended
May 31, 2013	May 31, 2012	Feb. 28, 2013
Other Noncurrent Assets Disclosure [Line Items]
Total premium advance balance at February 28, 2013	$ 13,612,687
Advances	1,060,136	989,703
Reimbursements and adjustments	(346,472)	(423,508)
Total premium advance balance at May 31, 2013	14,326,351
Allowance for doubtful accounts	4,402,047		4,315,633
Net premium advance balance at May 31, 2013	$ 9,924,304		$ 9,297,054

Advances Made Under Notes Receivable

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- Definition

Reimbursements and Adjustments

+ References

No definition available.

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- Definition

Amounts due from customers or clients, more than one year from the balance sheet date, for goods or services that have been delivered or sold in the normal course of business.

+ 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 210.5-02.17)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Article 5

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- Definition

Amount due from customers or clients, more than one year from the balance sheet date, for goods or services that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

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- Definition

A valuation allowance for receivables due to an Entity for more than one year from the balance sheet date that are expected to be uncollectible.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

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