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COMMITMENTS AND CONTINGENCIES (Details Narrative) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Game software development agreements
Purchase commitments	$ 8,309,706	$ 7,772,140

X

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=bhat_GameSoftwareDevelopmentAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: