Equity (Details 7) (Employee Stock Purchase Plan (ESPP))	12 Months Ended
Dec. 31, 2012 M H
Employee Stock Purchase Plan (ESPP)
Share-Based Compensation
Shares right to subscribe	2,000,000
Minimum number of hours per week required to participate in ESPP	20
Minimum number of months of employment per calendar year to participate in ESPP	5
Maximum employee stock ownership percentage	5.00%
Purchase price as a percentage of market value of the common stock	85.00%
Share available for future offerings	600,000

Represents the maximum stock ownership percentage for an employee to be eligible to participate in the ESPP.

No definition available.

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- Definition

Represents the minimum number of hours per week an employee must work each to participate in the ESPP.

+ References

No definition available.

+ Details

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- Definition

Represents the minimum number of months an employee must work each calendar year to participate in the ESPP.

+ References

No definition available.

+ Details

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- Definition

Purchase price of common stock expressed as a percentage of its fair market value.

+ References

No definition available.

+ 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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