Accounting Policies [Line Items]

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- Definition

Percentage of assets by geographic regions excluding goodwill.

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No definition available.

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- Definition

Percentage of company assets.

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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
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-SubTopic 10
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-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
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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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-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 12
-Article 7

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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.

+ References

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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.

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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.

+ References

No definition available.

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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

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Summary of Significant Accounting Policies - Additional Information (Detail)			3 Months Ended		12 Months Ended
	Sep. 21, 2015	Mar. 31, 2014 $ / shares shares	Mar. 31, 2016 USD ($) Segment $ / shares shares	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($) $ / shares shares	Mar. 30, 2014 shares
Accounting Policies [Line Items]
Reverse stock split, ratio		0.20
Common stock, shares issued \| shares		48,855,255	109,457,941		100,180,872	244,276,923
Common stock, shares outstanding \| shares		48,855,255	109,386,396		100,149,453	244,276,923
Common stock, par value (in dollars per share) \| $ / shares		$ 0.001	$ 0.001		$ 0.001
Impairment charges			$ 0		$ 0
Number of business segments \| Segment			1
Goodwill			$ 267,776,000		$ 248,602,000
Stock Options [Member]
Accounting Policies [Line Items]
Share based compensation, expense recognized			$ 1,428,000	$ 899,000
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Customer One [Member]
Accounting Policies [Line Items]
Concentration Risk Percentage			100.00%		100.00%
U.S. [Member]
Accounting Policies [Line Items]
Percentage of total consolidated assets			60.00%
International [Member]
Accounting Policies [Line Items]
Percentage of total consolidated assets, excluding goodwill			26.00%
Maximum [Member]
Accounting Policies [Line Items]
Amortization period			10 years
Minimum [Member]
Accounting Policies [Line Items]
Amortization period			7 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			$ 106,900,000