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Stockholders' Equity (Tables) | 12 Months Ended
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Nov. 30, 2012
Share Based Compensation Arrangement by Share Based Payment Award [Line Items] |
Significant option groups outstanding and exercisable option and its price and contractual life | Significant option groups outstanding and exercisable at November 30, 2012 and related price and contractual life information are as follows:
|  | Outstanding |  |  | Exercisable |
Range of Exercise Prices |  | Outstanding |  |  | Weighted Average Remaining Contractual Life (Years) |  |  | Weighted Average Exercise Price |  |  | Outstanding |  |  | Weighted Average Exercise Price |
$0.42 to $1.00 |  |  | 10,000 |  |  |  | 2.45 |  |  | $ | .78 |  |  |  | 10,000 |  |  | $ | .78 |
$1.01 to $ 2.00 |  |  | 533,009 |  |  |  | 7.79 |  |  | $ | 1.68 |  |  |  | 501,601 |  |  | $ | 1.69 |
$2.01 to $ 3.00 |  |  | 599,500 |  |  |  | 7.05 |  |  | $ | 2.51 |  |  |  | 379,505 |  |  | $ | 2.61 |
$3.01 to $ 4.00 |  |  | 40,589 |  |  |  | .35 |  |  | $ | 3.34 |  |  |  | 40,589 |  |  | $ | 3.34 |
|  |  | 1,183,098 |  |  |  | 7.12 |  |  | $ | 2.15 |  |  |  | 931,695 |  |  | $ | 2.13 |
Summary of non-vested options | A summary of the status of the Company’s non-vested shares as of November 30, 2012, and changes during the fiscal year ended November 30, 2012, is presented below:
|  | Shares |  |  | Weighted Average Grant-Date Fair Value |
Non-vested at November 30, 2011 |  |  | 353,277 |  |  | $ | 1.94 |
Granted |  |  | 779,500 |  |  |  | 1.57 |
Vested |  |  | (765,487 | ) |  |  | 1.67 |
Forfeited |  |  | (115,887 | ) |  |  | 1.65 |
Non-vested at November 30, 2012 |  |  | 251,403 |  |  | $ | 1.77 |
Service-based vesting condition options [Member] |
Share Based Compensation Arrangement by Share Based Payment Award [Line Items] |
Fair value of options granted | Variables used to determine the fair value of the options granted for the years ended November 30, 2012 and November 30, 2011 are as follows:
|  | 2012 |  |  | 2011 |
Weighted average values: |  |  |  |  |  |  |  |
Expected dividends |  |  | 0 | % |  |  | 0 | %
Expected volatility |  |  | 113 | % |  |  | 108 | %
Risk free interest rate |  |  | .87 | % |  |  | 1.20 | %
Expected life |  |  | 5.5 years |  |  |  | 5.5 years |
Stock option activity for options | Stock option activity for options with only service-based vesting conditions for the year ended November 30, 2012, was as follows:
|  | Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (Years) |  |  | Aggregate Intrinsic Value |
Outstanding at November 30, 2011 |  |  | 608,419 |  |  | $ | 2.40 |  |  |  | 6.38 |  |  | $ | 37,490 |
Granted |  |  | 779,500 |  |  |  | 1.93 |  |  |  |  |  |  |  | 474,765 |
Exercised |  |  | (33,562 | ) |  |  | 1.83 |  |  |  |  |  |  |  | 22,801 |
Expired/forfeited |  |  | (171,259 | ) |  |  | 2.10 |  |  |  |  |  |  |  | 91,830 |
Outstanding at November 30, 2012 |  |  | 1,183,098 |  |  | $ | 2.15 |  |  |  | 7.12 |  |  | $ | 580,730 |
Exercisable at November 30, 2012 |  |  | 931,695 |  |  | $ | 2.13 |  |  |  | 7.42 |  |  | $ | 493,223 |
Performance and market-based vesting condition options [Member] |
Share Based Compensation Arrangement by Share Based Payment Award [Line Items] |
Fair value of options granted | Variables used to determine the fair value of options with performance-based and market-based vesting conditions granted during the fiscal year ended November 30, 2012 are as follows:
|  | 2012 |
Weighted average values: |  |  |  |
Expected dividends |  |  | 0 | %
Expected volatility |  |  | 107.03 | %
Risk free interest rate |  |  | 1.00 | %
Expected life |  |  | 6.4 years |
Stock option activity for options | Stock option activity for options with performance-based and market-based vesting conditions for the fiscal year ended November 30, 2012, was as follows:
|  | Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life (Years) |  |  | Aggregate Intrinsic Value |
Outstanding at November 30, 2011 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Granted |  |  | 1,170,000 |  |  | $ | 1.73 |  |  |  |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Expired/forfeited |  |  | (530,000 | ) |  |  | 1.72 |  |  |  |  |  |  |  |  |
Outstanding at November 30, 2012 |  |  | 640,000 |  |  | $ | 1.73 |  |  |  | 7.59 |  |  | $ | 274,800 |
Exercisable at November 30, 2012 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -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 Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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