The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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For an acquired entity, price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460

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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

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-Publisher FASB

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-Number 5

-Paragraph 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

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The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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-Publisher FASB

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-Topic 230

-SubTopic 10

-Section 45

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ References

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

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

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-Paragraph 5A

-Chapter 4

-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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Cardiogenesis Acquisition (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended		1 Months Ended	3 Months Ended	9 Months Ended
Cardiogenesis Acquisition (Narrative) (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	May 17, 2011 Cardiogenesis [Member]	Jul. 31, 2012 CardioFocus Settlement [Member]	Jun. 30, 2012 CardioFocus Settlement [Member]	Sep. 30, 2012 CardioFocus Settlement [Member]	Sep. 30, 2012 Payment [Member] Cardiogenesis [Member]
Business Acquisition [Line Items]
Acquisition of outstanding shares (per share)						$ 0.457
Total purchase price						$ 21,700,000
Transaction and integration costs related to acquisition				3,000,000	3,000,000
Loss recorded in general, administrative, and marketing expenses	16,533,000	14,726,000	48,374,000	42,676,000				3,600,000
Legal settlement expenses									4,100,000
Settlement payment to CardioFocus							$ 4,500,000			$ 4,500,000