XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Warrant Liabilities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2022
Warrant Liabilities |
Schedule of warrant liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
​ | ​ | 2022 | ​ | 2021
Warrant liabilities | ​ | $ | 21,974 | ​ | $ | 1,600
Total | ​ | $ | 21,974 | ​ | $ | 1,600

X
- Definition Schedule Of Warrant Liabilities [Table Text Block] + References No definition available. + Details
Name: | th_ScheduleOfWarrantLiabilitiesTableTextBlock
Namespace Prefix: | th_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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