Business combination contingent consideration aggregate fair market value.

No definition available.

Name:	trxc_BusinessCombinationContingentConsiderationAggregateFairMarketValue
Namespace Prefix:	trxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Business combination contingent consideration arrangements target revenue.

+ References

No definition available.

+ Details

Name:	trxc_BusinessCombinationContingentConsiderationArrangementsTargetRevenue
Namespace Prefix:	trxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of securities consideration.

+ References

No definition available.

+ Details

Name:	trxc_PercentageOfSecuritiesConsideration
Namespace Prefix:	trxc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

Name:	us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

+ Details

Name:	us-gaap_BusinessCombinationContingentConsiderationLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_BusinessAcquisitionAxis=trxc_MedicalSurgeryTechnologiesLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=trxc_UnrestrictedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=trxc_EndingOnTwelveMonthAnniversaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=trxc_EndingOnEighteenMonthAnniversaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ContingentConsiderationByTypeAxis=trxc_FirstTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ContingentConsiderationByTypeAxis=trxc_SecondTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=trxc_SenhanceSurgicalRoboticSystemAcquisitionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CurrencyAxis=currency_USD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CurrencyAxis=currency_EUR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ContingentConsiderationByTypeAxis=trxc_ThirdTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Acquisitions - Additional Information (Detail) $ in Thousands					1 Months Ended	6 Months Ended		12 Months Ended
	Oct. 31, 2018 USD ($) shares	Dec. 30, 2016 shares	Sep. 21, 2015 USD ($) shares	Sep. 21, 2015 EUR (€) shares	Jan. 31, 2017 EUR (€)	Jun. 30, 2019 USD ($)	Jun. 30, 2019 EUR (€)	Dec. 31, 2018 USD ($)	Jun. 30, 2019 EUR (€)
Business Acquisition [Line Items]
Cash consideration payable						$ 12,595		$ 10,637
Medical Surgery Technologies Ltd.
Business Acquisition [Line Items]
Cash consideration	$ 5,800
Additional consideration payable in cash, stock or cash and stock								10,600
Medical Surgery Technologies Ltd. \| Amount Unrestricted
Business Acquisition [Line Items]
Percentage of securities consideration						50.00%	50.00%
Medical Surgery Technologies Ltd. \| Ending on Twelve Month Anniversary \| Maximum
Business Acquisition [Line Items]
Percentage of securities consideration	25.00%
Medical Surgery Technologies Ltd. \| Ending on Eighteen Month Anniversary \| Maximum
Business Acquisition [Line Items]
Percentage of securities consideration	25.00%
Medical Surgery Technologies Ltd. \| First Tranche
Business Acquisition [Line Items]
Cash consideration	$ 5,800
Common shares issued (in shares) \| shares	3,150,000
Medical Surgery Technologies Ltd. \| Second Tranche
Business Acquisition [Line Items]
Additional consideration payable in cash, stock or cash and stock	$ 6,600
Senhance Surgical Robotic System Acquisition
Business Acquisition [Line Items]
Common shares issued (in shares) \| shares			15,543,413	15,543,413
Additional consideration payable in cash, stock or cash and stock						$ 12,600		$ 10,600
Senhance Surgical Robotic System Acquisition \| U.S. Dollars
Business Acquisition [Line Items]
Cash consideration			$ 25,000
Senhance Surgical Robotic System Acquisition \| Euro
Business Acquisition [Line Items]
Cash consideration \| €				€ 27,500,000
Senhance Surgical Robotic System Acquisition \| Second Tranche
Business Acquisition [Line Items]
Cash consideration \| €							€ 15,100,000
Common shares issued (in shares) \| shares		3,722,685
Aggregate fair market value \| €					€ 5,000,000.0
Senhance Surgical Robotic System Acquisition \| Second Tranche \| U.S. Dollars
Business Acquisition [Line Items]
Cash consideration payable						$ 25,000
Senhance Surgical Robotic System Acquisition \| Second Tranche \| Euro
Business Acquisition [Line Items]
Cash consideration payable \| €									€ 22,500,000
Senhance Surgical Robotic System Acquisition \| Third Tranche
Business Acquisition [Line Items]
Cash consideration payable \| €									15,000,000.0
Senhance Surgical Robotic System Acquisition \| Third Tranche \| Minimum
Business Acquisition [Line Items]
Target revenue to be achieved \| €									€ 25,000,000.0