Note 15 - Segment Reporting - Assets by Segment (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Total assets	$ 802,843,794	$ 82,476,407
HF Foods [Member]
Total assets	80,514,529	82,476,407
B&R Global [Member]
Total assets	$ 722,329,265