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Leases - Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Leases [Abstract] |  |
Monthly rent payments | $ 78,000 |
Annual rent increase, percentage | 3.00% |
Number of subleases | 3 |
Impairment loss | $ 34,169 | $ 0

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- Definition Lessee, Operating Lease, Annual Rent Increase, Percentage + References No definition available. + Details
Name: | trov_LesseeOperatingLeaseAnnualRentIncreasePercentage
Namespace Prefix: | trov_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Lessee, Operating Lease, Monthly Rent Payment + References No definition available. + Details
Name: | trov_LesseeOperatingLeaseMonthlyRentPayment
Namespace Prefix: | trov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Lessor, Number Of Subleases + References No definition available. + Details
Name: | trov_LessorNumberOfSubleases
Namespace Prefix: | trov_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of loss from impairment of right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 25 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121593497&loc=SL77918431-209957 + Details
Name: | us-gaap_OperatingLeaseImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration