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Issuance of Convertible Preferred Stock and Extinguishment of Debt (Schedule of Debt Exchanged for Series A Preferred Convertible Stock) (Details) (USD $)	8 Months Ended
	Aug. 31, 2010
Debt Conversion [Line Items]
Amount of debt exchanged	$ 29,394,705
Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	22,692,778
Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	6,701,927
15% Convertible Notes Payable - Investors [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	1,342,288
15% Convertible Notes Payable - Investors [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	1,078,157
Debt interest rate	15.00%
15% Convertible Notes Payable - Investors [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	264,131
18% Convertible Debentures Payable - Mandatory Redemption Payment [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	5,917,401
18% Convertible Debentures Payable - Mandatory Redemption Payment [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	4,412,058
Debt interest rate	18.00%
18% Convertible Debentures Payable - Mandatory Redemption Payment [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	1,505,343
18% Convertible Notes Payable - 2006 - 2007 [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	3,668,063
18% Convertible Notes Payable - 2006 - 2007 [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	2,170,000
Debt interest rate	18.00%
18% Convertible Notes Payable - 2006 - 2007 [Member] | Principal [Member] | Minimum [Member]
Debt Conversion [Line Items]
Year of debt issuance	2006
18% Convertible Notes Payable - 2006 - 2007 [Member] | Principal [Member] | Maximum [Member]
Debt Conversion [Line Items]
Year of debt issuance	2007
18% Convertible Notes Payable - 2006 - 2007 [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	1,498,063
11% Convertible Notes Payable - June - November 2008 [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	3,143,457
11% Convertible Notes Payable - June - November 2008 [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	2,500,000
Debt interest rate	11.00%
11% Convertible Notes Payable - June - November 2008 [Member] | Principal [Member] | Minimum [Member]
Debt Conversion [Line Items]
Month and year of debt issuance	2008-06
11% Convertible Notes Payable - June - November 2008 [Member] | Principal [Member] | Maximum [Member]
Debt Conversion [Line Items]
Month and year of debt issuance	2008-11
11% Convertible Notes Payable - June - November 2008 [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	643,457
11% Convertible Note Payable - July 2008 Amended and Restated [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	2,987,339
11% Convertible Note Payable - July 2008 Amended and Restated [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	2,782,563
Debt interest rate	11.00%
Month and year of debt issuance	2008-07
11% Convertible Note Payable - July 2008 Amended and Restated [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	204,776
11% Convertible Notes Payable - December 2008 [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	608,803
11% Convertible Notes Payable - December 2008 [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	500,000
Debt interest rate	11.00%
Month and year of debt issuance	2008-12
11% Convertible Notes Payable - December 2008 [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	108,803
9% Convertible Notes Payable - May - August 2009 [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	1,112,300
9% Convertible Notes Payable - May - August 2009 [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	1,000,000
Debt interest rate	9.00%
9% Convertible Notes Payable - May - August 2009 [Member] | Principal [Member] | Minimum [Member]
Debt Conversion [Line Items]
Month and year of debt issuance	2009-05
9% Convertible Notes Payable - May - August 2009 [Member] | Principal [Member] | Maximum [Member]
Debt Conversion [Line Items]
Month and year of debt issuance	2009-08
9% Convertible Notes Payable - May - August 2009 [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	112,300
8% Convertible Notes Payable - December 2009 [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	4,665,135
8% Convertible Notes Payable - December 2009 [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	4,500,000
Debt interest rate	8.00%
Month and year of debt issuance	2009-12
8% Convertible Notes Payable - December 2009 [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	165,135
8% Convertible Notes Payable - June 2010 [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	1,116,558
8% Convertible Notes Payable - June 2010 [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	1,100,000
Debt interest rate	8.00%
Month and year of debt issuance	2010-06
8% Convertible Notes Payable - June 2010 [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	16,558
17% Promissory Notes Payable - July 2005 [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	2,831,552
17% Promissory Notes Payable - July 2005 [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	1,200,000
Debt interest rate	17.00%
Month and year of debt issuance	2005-07
17% Promissory Notes Payable - July 2005 [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	1,631,552
18% Promissory Notes Payable - December 2007 Financing [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	851,154
18% Promissory Notes Payable - December 2007 Financing [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	600,000
Debt interest rate	18.00%
Month and year of debt issuance	2007-12
18% Promissory Notes Payable - December 2007 Financing [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	251,154
18% Promissory Notes Payable - January 2008 Financing [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	836,071
18% Promissory Notes Payable - January 2008 Financing [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	600,000
Debt interest rate	18.00%
Month and year of debt issuance	2008-01
18% Promissory Notes Payable - January 2008 Financing [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	236,071
5% Debt Seller Note (Plum Mine) [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	314,584
5% Debt Seller Note (Plum Mine) [Member] | Principal [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	250,000
Debt interest rate	5.00%
5% Debt Seller Note (Plum Mine) [Member] | Accrued Interest [Member]
Debt Conversion [Line Items]
Amount of debt exchanged	$ 64,584

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The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586



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-Name Statement of Financial Accounting Standard (FAS)

-Number 95

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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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The rate of interest that was being paid on the original debt issue that is being converted in the noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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

-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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The month and year (YYYY-MM) in which the original debt was issued.

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-Number 95

-Paragraph 32

-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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Year the original debt was issued, in CCYY format.

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-Publisher FASB

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-Number 95

-Paragraph 32

-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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