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Stock-Based Compensation (Details Textual) | 6 Months Ended |
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Jun. 30, 2012 | May 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share based compensation options exercisable period | 2015 |
Share-based compensation arrangement by share based payment award (Textual) [Abstract] |  |
Number of options granted for non-employee director | 10,000 |
Vesting period in years | 7 years |
Incentive Stock Option Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares to be issued under incentive stock option plan |  | 2,800,000
Shares for future grants | 64,860 |
Option exercisable rate | 25.00% |
Option exercisable period | 4 years |
Options expire period | 15 years |
Minimum stock price at time of exercise of options, percentage | 100.00% |
Non-Employee Directors Stock Option Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares to be issued under incentive stock option plan | 205,000 |
Shares for future grants | 30,000 |
Option exercisable rate | 25.00% |
Option exercisable period | 4 years |
Options expire period | 15 years |
Minimum stock price at time of exercise of options, percentage | 100.00% |

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- Definition Number of options granted for each non-employee director. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award option exercisable period. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award option exercisable rate. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award option expire period. + References No definition available. + Details
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- Definition Share-based compensation by share based payment award, options, minimum stock price at time of exercise of options, percentage. + References No definition available. + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, 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 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph 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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + 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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