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Stockholders' Equity (Details Textual) (USD $) | 12 Months Ended
--- | ---
Nov. 30, 2012 | Nov. 30, 2011
Stockholders Equity (Textual) [Abstract] |  |
Stock option outstanding under 2000 stock incentive plan | 1,823,098 | 608,419
Recognized compensation cost | $ 1,325,000 | $ 329,000
Service-based vesting condition options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Share receive for option exercises | 33,562 |
Number of option surrendered | 171,259 |
Stock option outstanding under 2000 stock incentive plan | 1,183,098 | 608,419
Granted, Options | 779,500 |
Performance and market-based vesting condition options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Share receive for option exercises |  |
Stock option outstanding under 2000 stock incentive plan | 640,000 |
Granted, Options | 1,170,000 |
Performance based vesting condition options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted | 616,000 |
Market-based vesting condition options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Granted, Options | 213,334 |
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted | 121,500 |
Stock Options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Recognized compensation cost | 171,000 |
Stock Option [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Number of share issued to option holder |  | 68,417
Option exercised |  | 80,936
Share receive for option exercises | 33,562 | 56,667
Number of option surrendered | 26,749 | 24,431
Issuance of common stock to cover the total cost of exercising the stock option | 6,813 | 32,236
Stock Option [Member] | Service-based vesting condition options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Weighted average grant date fair value of options | $ 1.57 | $ 2.12
Weighted-average period | 1 year 7 months 24 days |
Total fair value of shares vested | 1,276,000 |
Stock Option [Member] | Performance and market-based vesting condition options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Weighted average grant date fair value of options | $ 1.28 |
Stock Option [Member] | Performance based vesting condition options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Granted, Shares | 956,666 |
2000 Plan [Member] | Service-based vesting condition options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted | 250,000 |
2000 Plan [Member] | Employee stock incentive plan [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Common stock for issuance pursuant to stock options or restricted stock | 2,250,000 |
Vesting period ranging from, date of grant | 3 years |
Options exercisable period after termination | 90 days |
Stock option outstanding under 2000 stock incentive plan | 60,589 | 99,292
Shares issued under 2000 stock incentive plan | 0 |
2006 Plan [Member] | Service-based vesting condition options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted | 250,000 |
2006 Plan [Member] | Employee stock incentive plan [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Common stock for issuance pursuant to stock options or restricted stock | 1,000,000 |
Shares issued under 2000 stock incentive plan | 151,345 |
Share issued | 762,509 | 509,127
2012 plan [Member] | Service-based vesting condition options [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Unrecognized compensation cost related to non-vested share-based compensation arrangements granted | $ 250,000 |
2012 plan [Member] | Employee stock incentive plan [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Common stock for issuance pursuant to stock options or restricted stock | 1,500,000 |
Shares issued under 2000 stock incentive plan | 1,500,000 |
Increase in common stock reserved for issuance | 2,500,000 |
Granted, Options | 1,000,000 |
Maximum [Member] | 2000 Plan [Member] | Employee stock incentive plan [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Term of options | P7Y |
Minimum [Member] | 2000 Plan [Member] | Employee stock incentive plan [Member] |  |
Stockholders Equity (Textual) [Abstract] |  |
Term of options | P5Y |

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- Definition The total fair value of equity-based awards for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + 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 (d)(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 A240 -Subparagraph c(2) -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 The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph c(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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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