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14. Shareholders' Deficit (Details 2) (USD $) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Warrants Outstanding |  |  |
Beginning Balance | 7,943,523 | 7,943,523 | 12,169,852
Exercised |  |  |
Granted |  | 3,050,000 |
Ending Balance | 7,943,523 | 7,943,523 | 12,169,852
Range of Exercise Prices |  |  |
Beginning Balance Minimum | $ 0.35 | $ 0.14 |
Beginning Balance Maximum | $ 0.54 | $ 1.50 |
Weighted Average Remaining Life in Years |  |  |
Beginning Balance | 3 years 2 months 12 days | 3 years 2 months 12 days |
Exercised | 0 years | 0 years |
Granted | 0 years | 4 years 6 months |
Weighted Average Exercise Price |  |  |
Beginning Balance | $ 0.46 | $ 0.46 | $ 0.49
Exercised |  |  |
Granted |  | $ 0.36 |
Ending Balance | $ 0.46 | $ 0.46 | $ 0.49
Weighted Average Remaining Life in Years |  |  |
Beginning Balance | 2 years 10 months 24 days | 3 years 2 months 12 days |
Exercised | 0 years | 0 years |
Granted | 0 years | 4 years 6 months |
WarrantMember |  |  |
Warrants Outstanding |  |  |
Beginning Balance | 132,285,242 | 132,285,242 | 59,530,245
Exercised |  |  |
Ratchet-down impact |  | 56,991,667 |
Granted |  | 15,763,330 |
Ending Balance | 132,285,242 | 132,285,242 | 59,530,245
Range of Exercise Prices |  |  |
Beginning Balance Minimum | $ 0.30 | $ 0.65 |
Beginning Balance Maximum | $ 2.00 | $ 2.00 |
Exercised |  |  |
Ratchet-down impact |  | 0.30 |
GrantedMinimum |  | $ 0.30 |
GrantedMaximum |  | $ 0.75 |
Ending Balance Minimum | $ 0.30 | $ 0.30 |
Ending Balance Maximum | $ 2.00 | $ 2.00 |
Weighted Average Remaining Life in Years |  |  |
Beginning Balance | 3 years 6 months | 3 years 6 months |
Exercised | 0 years | 0 years |
Ratchet-down impact |  |  |
Granted | 0 years | 4 years 7 months 6 days |
Ending Balance | 4 years 3 months 18 days | 3 years 6 months |
Weighted Average Exercise Price |  |  |
Beginning Balance | $ 0.38 | $ 0.40 | $ 2.00
Exercised |  |  |
Ratchet-down impact |  | $ 0.30 |
Granted |  | $ 0.38 |
Ending Balance | $ 0.38 | $ 0.40 | $ 2.00
Warrants Exercisable |  |  |
Beginning Balance | 2,472,676 | 59,530,245 |
Exercised |  |  |
Ratchet-down impact |  | 56,991,667 |
Granted |  | 10,388,330 |
Vested | 2,529,999 |  |
Ending Balance | 129,440,242 | 126,910,242 | 2,472,676
Weighted Average Remaining Life in Years |  |  |
Beginning Balance | 3 years 6 months | 3 years 6 months |
Exercised | 0 years | 0 years |
Granted | 0 years | 4 years 7 months 6 days |
Ending Balance | 3 years 2 months 12 days | 3 years 6 months |
Weighted Average Exercise Price |  |  |
Beginning Balance | $ 0.38 | $ 2.00 |
Exercised |  |  |
Ratchet-down impact |  | $ 0.30 |
Granted |  |  |
Ending Balance | $ 0.38 | $ 0.38 | $ 1.37

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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(b) -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a) -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. + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a) -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. + Details
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