Note 8 - Goodwill and Acquired Intangible Assets - Goodwill (Details)	12 Months Ended
	Dec. 31, 2019 USD ($)
Balance
B&R Global Acquisition	406,703,348
Balance	406,703,348	[1]
HF Foods [Member]
Balance
B&R Global Acquisition
Balance		[1]
B&R Global [Member]
Balance
B&R Global Acquisition	406,703,348
Balance	$ 406,703,348	[1]

[1] There are no accumulated impairment losses.