Redeemable Series G Preferred Stock - Allocation of Cash from Series G Preferred and Warrants Issued (Detail) (USD $)	Oct. 11, 2010
Temporary Equity [Line Items]
Financing	$ 5,050,000
Exchange	928,482
Total	5,978,482
Redeemable Preferred Stock [Member]
Temporary Equity [Line Items]
Financing	2,747,476
Exchange	888,997
Total	3,636,473
Compound Embedded Derivative [Member]
Temporary Equity [Line Items]
Financing	1,389,114
Exchange	261,318
Total	1,650,432
Warrant Derivatives [Member]
Temporary Equity [Line Items]
Financing	913,410
Exchange	161,190
Total	1,074,600
Extinguishment Loss [Member]
Temporary Equity [Line Items]
Financing
Exchange	(383,023)
Total	$ (383,023)

Carrying amount of the par value of temporary equity outstanding. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph d

-Article 4

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 28

-Article 5

Name:	us-gaap_TemporaryEquityValueExcludingAdditionalPaidInCapital
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant