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Stock options maximum shares available for grant.

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Stock options term.

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Stock options year one vesting rate.

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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Commitment made to pay deferred cash remuneration expressed as a percentage of the individual's base salary.

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- Definition

Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

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- Definition

This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 93-6

-Paragraph 53

-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.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 40

-Section 50

-Paragraph 1

-Subparagraph (a)

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(1)

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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.

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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).

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-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.

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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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.

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-Paragraph A240

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Weighted average remaining contractual term for fully vested and expected to vest options that are exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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- Definition

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

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Number of share instruments newly issued under a share-based compensation plan.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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Stock Incentive and Employee Stock Purchase Plans (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Nov. 15, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to non-vested RSUs	$ 1,000,000
Common stock, shares issued	33,655,000	32,262,000
Number of shares issued under the ESPP		163,142	514,540
Total intrinsic value of options exercised	0
Total unrecognized share-based compensation cost				316,000
Stock Incentive and Employee Stock Purchase plans (Textual) [Abstract]
Number of shares issue that the ESPP authorizes for purchase by eligible employees	1,250,111
Number of shares issued under the ESPP	1,086,837
Enfora [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of RSUs awarded to employees			235,900
Stock options outstanding under the 2009 Omnibus Incentive Compensation Plan and previous plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock issued upon the exercise of stock options	2,500,000
Duration of the options granted	10 years
Rate of exercisable	25.00%
Total intrinsic value of options exercised	0	28,000	364,000
Total unrecognized share-based compensation cost	1,400,000
Expected recognition period	1 year 7 months 6 days
Weighted average fair value of option awards granted	$ 1.97	3.40	3.62
Total fair value of awards recognized as expenses	1,700,000	2,700,000	3,500,000
Stock options outstanding under the 2009 Omnibus Incentive Compensation Plan and previous plans [Member] \| New Hire [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted	36 months
Stock options outstanding under the 2009 Omnibus Incentive Compensation Plan and previous plans [Member] \| Existing Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted	36 months
Restricted stock units outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of RSUs awarded to employees	1,015,638	903,214	620,236
Aggregate fair value of awards	3,400,000	4,900,000	5,000,000
Unrecognized compensation expense related to non-vested RSUs	6,200,000
Expected recognition period	1 year 7 months 6 days
Total fair value of awards recognized as expenses	3,400,000	2,600,000	1,700,000
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of lower limit value of common stock	85.00%
Maximum limit of payroll deductions	10.00%
Total fair value of awards recognized as expenses	1,400,000	707,000	994,000
Amount received in cash through employee withholdings	$ 1,600,000	470,000	1,700,000
Maximum [Member] \| Restricted stock units outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of RSUs price at fair value	$ 3.58	9.71	9.76
Minimum [Member] \| Restricted stock units outstanding [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of RSUs price at fair value	$ 1.28	3.06	6.95