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Stock Option/Stock Issuance Plan (Details Narrative) (USD $) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 31, 2013 | Jan. 31, 2012 | Jan. 31, 2011 | Mar. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |  |  |  |  |
Increase in shares authorized | 194,442 | 193,283 | 152,079 |  | 409,900 | 152,079 | 151,550
Stock options granted |  |  |  | 4,800 |  |  |
Weighted average grant price |  |  |  | $ 0.73 | $ 1.73 | $ 1.92 | $ 3.00

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The increase or decrease in number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding, including vested options. + 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) -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of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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