Common Stock, Capital Shares Reserved for Future Issuance, Share Reserve Anniversary Increase, Increase Percentage

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- Definition

Employee Stock Purchase Plane, Common Stock Reserved for Future Issuance

+ References

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- Definition

Employee Stock Purchase Plan, Maximum Annual Contributions Per Employee, Amount

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- Definition

Employee Stock Purchase Plans, Automatic Increase in the Number of Shares Available for Issuance, Percentage of Outstanding Common Stock

+ References

No definition available.

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- Definition

Employee Stock Purchase Plans, Discount , Percentage of Market Price

+ References

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Ownership Requirements, Percentage of Outstanding Stock

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Ownership Requirements, Percentage of Voting Interest

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent for Stockholder Owning or Having Voting Power Over a Stated Percentage of Outstanding Stock

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

Aggregate number of common shares reserved for future issuance.

+ 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)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

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

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- Definition

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.

+ References

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

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

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-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

Percentage of vesting of share-based compensation awards.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

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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)

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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- Definition

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

+ References

No definition available.

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Stock-Based Compensation - Narrative (Details) (USD $)	1 Months Ended	3 Months Ended		12 Months Ended		1 Months Ended		12 Months Ended
Stock-Based Compensation - Narrative (Details) (USD $)	Oct. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Feb. 28, 2014	Mar. 31, 2013	Dec. 31, 2007
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock purchase plane, common stock reserved for future issuance		118,633	111,111	118,633	111,111
Shares outstanding (in shares)		1,881,369	1,572,626	1,881,369	1,572,626
Weighted Average Exercise Price - Shares Outstanding, Beginning (in dollars per share)		$ 19.30	$ 6.17	$ 19.30	$ 6.17
Options (in shares)				984,159
Stock option expense		$ 5,225,000	$ 1,269,000	$ 295,000
Employee Stock Purchase Plans, Discount, Percentage of Market Price	85.00%
Employee Stock Purchase Plan, Maximum Annual Contributions Per Employee, Amount	25,000
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Stock Purchase Plans, Automatic Increase in the Number of Shares Available for Issuance, Percentage of Outstanding Common Stock	1.00%
LDR Medical, SAS [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)		154,986	509,062	154,986	509,062
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense for unvested options		12,100,000	2,800,000	12,100,000	2,800,000
Compensation cost not yet recognized, period for recognition				2 years	1 year
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost not yet recognized, period for recognition				3 years
Unrecognized compensation expense for unvested restricted stock units		1,700,000		1,700,000
Two Thousand Seven Plan [Member] \| LDR Medical, SAS [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, reserved for future issuance (in shares)			19,531		19,531
Weighted Average Exercise Price - Shares Outstanding, Beginning (in dollars per share)			$ 1.69		$ 1.69
Two Thousand Seven Plan [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of stock as a percentage of fair market value								100.00%
Percentage of ownership of the company's outstanding Stock for determining the exercise price of incentive stock option								10.00%
Percentage of control of the company's outstanding stock for determining the exercise price of incentive stock option								10.00%
Percent for stockholder owning or having voting power over a stated percentage of outstanding stock								110.00%
Expiration period								10 years
Stock vesting rights, annual percentage								25.00%
Options (in shares)						22,169	81,841
Stock option expense				$ 365,000	$ 413,000
Two Thousand Seven Plan [Member] \| Performance Shares [Member] \| Vesting Period One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock award vesting period								1 year
Two Thousand Seven Plan [Member] \| Performance Shares [Member] \| Vesting Period Two Through Four [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock award vesting period								36 months
2013 Stock Option/Stock Issuance Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, reserved for future issuance (in shares)		758,074	853,557	758,074	853,557
Common stock, capital shares reserved for future issuance, share reserve anniversary increase, percentage			4.00%		4.00%
2013 Stock Option/Stock Issuance Plan [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of stock as a percentage of fair market value					100.00%
Percentage of ownership of the company's outstanding Stock for determining the exercise price of incentive stock option					10.00%
Percent for stockholder owning or having voting power over a stated percentage of outstanding stock					110.00%