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Summary of Significant Accounting Policies - Summary Of Depreciation Of Property Plant Equipment (Detail)	Dec. 31, 2020
Computers [Member]
Schedule Of Depreciation Of Property Plant Equipment [Line Items]
Property plant and equipment annual depreciated amount	33.00%
Electronic equipment [Member]
Schedule Of Depreciation Of Property Plant Equipment [Line Items]
Property plant and equipment annual depreciated amount	15.00%

X

- Definition

Property plant and equipment annual depreciated amount.

+ References

No definition available.

+ Details

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Namespace Prefix:	heccu_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Schedule of depreciation of property plant equipment.

+ References

No definition available.

+ Details

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Namespace Prefix:	heccu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ComputerEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=heccu_ElectronicEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: