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v3.21.1

Marketable Securities (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) item | Dec. 31, 2020 USD ($)
Marketable Securities |  |
Marketable securities | $ 0 | $ 0
Net pre-tax unrealized gains for marketable securities | 0 |
Marketable securities sold | $ 0 |
Number of marketable securities in an unrealized loss position | item | 0 |

X
- Definition Number of marketable securities in an unrealized loss position. + References No definition available. + Details
Name: | tcmd_MarketableSecuritiesInUnrealizedLossPosition
Namespace Prefix: | tcmd_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash inflow associated with the aggregate amount received by the entity through sale of marketable securities (held-to-maturity or available-for-sale) during the period. + References No definition available. + Details
Name: | tcmd_ProceedsFromSaleOfMarketableSecurities
Namespace Prefix: | tcmd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before tax and reclassification adjustments of unrealized holding gain (loss) on marketable securities. + References No definition available. + Details
Name: | tcmd_UnrealizedHoldingGainLossOnMarketableSecuritiesArisingDuringPeriodBeforeTax
Namespace Prefix: | tcmd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount of investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_MarketableSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant