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Service agreement termination year.

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Number of shares of equity interests issued or issuable to acquire entity.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Fair value of equity issued in a business combination.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The cash outflows from the purchase of net carrying value allocated to in-process research and development costs and materials acquired in a business combination.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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Price of a single share of a number of saleable stocks of a company.

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Related Person Transactions - Additional Information (Detail) $ / shares in Units, € in Millions				1 Months Ended	12 Months Ended
	Jan. 04, 2017 EUR (€) shares	Dec. 30, 2016 EUR (€) shares	Sep. 21, 2015 USD ($) shares	Nov. 30, 2016 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jan. 04, 2017 $ / shares
Related Party Transaction [Line Items]
Fair value of contingent consideration					$ 10,637,000	$ 12,418,000
Senhance Surgical Robotic System Acquisition [Member]
Related Party Transaction [Line Items]
Acquisition price			$ 92,577,000	$ 400,000
Reduction of contingent consideration					1,000,000	2,000,000
Common shares issued \| shares			15,543,413
Fair value of contingent consideration			$ 23,900,000		10,600,000
Senhance Surgical Robotic System Acquisition [Member] \| Second Tranche [Member]
Related Party Transaction [Line Items]
Reduction of contingent consideration \| €		€ (5.0)
Common shares issued \| shares		3,722,685
Aggregate fair market value of common stock \| €		€ 5.0
Fair value of contingent consideration \| €	€ 5.0
Share price \| $ / shares								$ 1.404
Number of consecutive trading days	10 days
Sofar [Member]
Related Party Transaction [Line Items]
Expenses for administrative services with related party					$ 0	$ 55,000	$ 232,000
Service agreement termination period					2017
Sofar [Member] \| Senhance Surgical Robotic System Acquisition [Member] \| Second Tranche [Member]
Related Party Transaction [Line Items]
Common shares issued \| shares	3,722,685
Sofar [Member] \| TransEnterix Italia [Member] \| Common Stock [Member]
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					8.90%	9.70%
1Med S.A [Member] \| Service Supply Agreement [Member]
Related Party Transaction [Line Items]
Expenses incurred under related party transactions					$ 71,000,000
Synecor, LLC [Member]
Related Party Transaction [Line Items]
Payments to Acquire in Process Research and Development					$ 24,000	$ 0	$ 5,000