Note 13 - Subsequent Events (Details Textual)	Feb. 23, 2019 USD ($)
Jianping An [Member] \| AnHeart [Member] \| Subsequent Event [Member]
Ownership Interest, Transferred, Transfer Price	$ 20,000

The price of transfer for ownership interest during the period.

No definition available.

Name:	hffg_OwnershipInterestTransferredTransferPrice
Namespace Prefix:	hffg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration