Accounting Policies [Line Items]

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- Definition

Common Stock Conversion Ratio

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No definition available.

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- Definition

Debt issuance costs reclassified to reduction in carrying amount of debt.

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- Definition

Percentage of assets by geographic regions excluding goodwill.

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- Definition

Percentage of company assets.

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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.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

Face amount or stated value per share of common stock.

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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.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

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No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Summary of Significant Accounting Policies - Additional Information (Detail)			3 Months Ended								12 Months Ended
	Sep. 21, 2015	Sep. 03, 2013 $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) $ / shares shares	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) Segment $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares	Dec. 31, 2013 USD ($)	Mar. 30, 2014 shares	Dec. 06, 2013 $ / shares	Dec. 31, 2012 $ / shares shares
Accounting Policies [Line Items]
Accumulated deficit			$ (182,864,000)				$ (135,916,000)				$ (182,864,000)	$ (135,916,000)
Net loss			$ (13,579,000)	$ (13,901,000)	$ (9,348,000)	$ (10,120,000)	$ (8,079,000)	$ (11,507,000)	$ (10,587,000)	$ (7,479,000)	$ (46,948,000)	$ (37,652,000)	$ (28,358,000)
Common stock, shares issued \| shares			100,180,872				63,182,806			48,855,255	100,180,872	63,182,806		244,276,923		5,391,095
Common stock, shares outstanding \| shares			100,149,453				63,182,806			48,855,255	100,149,453	63,182,806		244,276,923
Common stock, par value (in dollars per share) \| $ / shares			$ 0.001				$ 0.001			$ 0.001	$ 0.001	$ 0.001			$ 0.001	$ 0.001
Investments			$ 0				$ 0				$ 0	$ 0
Impairment charges											$ 0	0	0
Number of business segments \| Segment											1
Goodwill			$ 248,602,000				$ 135,111,000				$ 248,602,000	135,111,000
Debt issuance costs reclassified												100,000
Stock Options [Member]
Accounting Policies [Line Items]
Share based compensation, expense recognized											$ 3,311,000	$ 1,840,000	$ 941,000
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Customer One [Member]
Accounting Policies [Line Items]
Concentration percentage											100.00%	74.00%
Customer Concentration Risk [Member] \| Sales [Member] \| Customer One [Member]
Accounting Policies [Line Items]
Concentration percentage											10.00%		37.00%
Customer Concentration Risk [Member] \| Sales [Member] \| Customer Two [Member]
Accounting Policies [Line Items]
Concentration percentage											37.00%
U.S. [Member]
Accounting Policies [Line Items]
Percentage of total consolidated assets			57.00%								57.00%
U.S. [Member] \| Geographic Concentration Risk [Member] \| Sales [Member]
Accounting Policies [Line Items]
Concentration percentage											0.00%	90.00%	60.00%
International [Member]
Accounting Policies [Line Items]
Percentage of total consolidated assets, excluding goodwill			28.00%				0.00%				28.00%	0.00%
Maximum [Member]
Accounting Policies [Line Items]
Amortization period											10 years
Minimum [Member]
Accounting Policies [Line Items]
Amortization period											7 years
Safe Stitch Medical Inc [Member]
Accounting Policies [Line Items]
Exchange ratio		1.1533
Common stock, shares outstanding \| shares		12,350,000
Common stock, par value (in dollars per share) \| $ / shares		$ 0.001
Amortization period		5 years
ALF-X Surgical Robotic System Acquisition [Member]
Accounting Policies [Line Items]
Amortization period	7 years
ALF-X Surgical Robotic System Acquisition [Member] \| Europe [Member]
Accounting Policies [Line Items]
Goodwill			$ 106,300,000								$ 106,300,000