Equity-Based Compensation (Details)	3 Months Ended
Mar. 31, 2015 plan
Equity compensation plans
Number of equity compensation plans	3
Equity Incentive Plan 2007
Equity compensation plans
Remaining number of shares available for future grants	1,087,015
Equity Incentive Plan 2007 \| Employee and Non Employee Stock Option \| Minimum
Equity compensation plans
Expiration term	7 years
Equity Incentive Plan 2007 \| Employee and Non Employee Stock Option \| Maximum
Equity compensation plans
Expiration term	10 years
Stock 2000 Plan \| Employee and Non Employee Stock Option
Equity compensation plans
Expiration term	10 years
Lumara 2013 Plan
Equity compensation plans
Shares authorized for issuance	200,000
Remaining number of shares available for future grants	2,525
Lumara 2013 Plan \| Employee and Non Employee Stock Option
Equity compensation plans
Expiration term	10 years
Other Equity Compensation Grants \| Employee and Non Employee Stock Option \| Senior Management [Member]
Equity compensation plans
Award vesting period	4 years
Granted (in shares)	20,500
Other Equity Compensation Grants \| Employee and Non Employee Restricted Stock Units \| Senior Management [Member]
Equity compensation plans
Award vesting period	3 years
Granted (in shares)	2,500

Represents the number of equity compensation plans.

No definition available.

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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

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- Definition

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).

+ 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)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Period from grant date that an equity-based award expires, 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)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

+ 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

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