Estimated Premiums to be Paid to Keep Policies in Force (Detail) (USD $)	May 31, 2013
Investment [Line Items]
Year 1	$ 224,778
Year 2	250,953
Year 3	304,665
Year 4	276,456
Year 5	251,734
Thereafter	1,833,501
Total estimated premiums	$ 3,142,087

Name:	invest_InvestmentLineItems
Namespace Prefix:	invest_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of life insurance premiums anticipated to be paid to keep the life settlement contracts accounted for under the investment method in force.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Life Settlement Contract

-URI http://asc.fasb.org/extlink&oid=6516907

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 30

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6385267&loc=d3e42708-111610

+ Details

Name:	us-gaap_LifeSettlementContractsInvestmentMethodFiveYearDisclosurePremiumsToBePaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of life insurance premiums anticipated to be paid after the fifth fiscal year following the latest fiscal year to keep the life settlement accounted for under the investment method contracts in force.

+ References

+ Details

Name:	us-gaap_LifeSettlementContractsInvestmentMethodPremiumsToBePaidAfterYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of life insurance premiums anticipated to be paid in the next fiscal year following the latest fiscal year to keep the life settlement contracts accounted for under the investment method in force.

+ References

+ Details

Name:	us-gaap_LifeSettlementContractsInvestmentMethodPremiumsToBePaidInNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of life insurance premiums anticipated to be paid in the fifth fiscal year following the latest fiscal year to keep the life settlement accounted for under the investment method contracts in force.

+ References

+ Details

Name:	us-gaap_LifeSettlementContractsInvestmentMethodPremiumsToBePaidInYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of life insurance premiums anticipated to be paid in the fourth fiscal year following the latest fiscal year to keep the life settlement contracts accounted for under the investment method in force.

+ References

+ Details

Name:	us-gaap_LifeSettlementContractsInvestmentMethodPremiumsToBePaidInYearFour
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of life insurance premiums anticipated to be paid in the third fiscal year following the latest fiscal year to keep the life settlement contracts accounted for under the investment method in force.

+ References

+ Details

Name:	us-gaap_LifeSettlementContractsInvestmentMethodPremiumsToBePaidInYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of life insurance premiums anticipated to be paid in the second fiscal year following the latest fiscal year to keep the life settlement contracts accounted for under the investment method in force.

+ References

+ Details

Name:	us-gaap_LifeSettlementContractsInvestmentMethodPremiumsToBePaidInYearTwo
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant