Note 14 - Related Party Transactions - Summary of Advances to Related Party Suppliers (Details) - USD ($)		Dec. 31, 2019	Dec. 31, 2018
Advances to suppliers		$ 745,135	$ 1,526,482
Ocean Pacific Seafood Group [Member]
Advances to suppliers	[1]	223,303	208,960
Revolution Industry LLC [Member]
Advances to suppliers	[2]	521,832	329,394
First Choice Seafood [Member]
Advances to suppliers	[3]		$ 988,128

[1] Mr. Zhou Min Ni owns a 25% equity interest in this entity.

[2] The son of Mr. Zhou Min N, Raymond Ni, owns 100% of Revolution Industry LLC.

[3] First Choice Seafood is owned by Enson Seafood GA Inc. of which Mr. Zhou Min Ni owns a 50% equity interest.