Financing Receivables - Components of Lease Receivables (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Receivables [Abstract]
Sales-type leases, gross	$ 2,081,512	$ 13,665,300
Less: allowance for losses	(99,301)	(639,891)
Less: unearned income	(95,499)	(970,508)
Sales-type leases, net	$ 1,886,712	$ 12,054,901

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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

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-Name Accounting Standards Codification

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-SubTopic 210

-Section S99

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-Subparagraph (SX 210.9-03.7(d))

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-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Subparagraph d

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

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- Definition

Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

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-Name Accounting Standards Codification

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-SubTopic 10

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-Name Accounting Standards Codification

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

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