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Note 16 - Acquisitions (Details Textual) - USD ($)
12 Months Ended
Jan. 02, 2020
Apr. 19, 2019
Dec. 31, 2020
Dec. 31, 2019
Payments to Acquire Businesses, Gross     $ 9,400,000 $ 50,001
Business Combination, Acquisition Related Costs     $ 110,548 $ 74,117
Assets Acquisition of MPI Products, Inc. [Member]        
Business Combination, Consideration Transferred, Total $ 9,400,000      
Data Genomix Inc [Member]        
Payments to Acquire Businesses, Gross   $ 50,001