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Note 19 - Product and Geographic Segment Data - Financial Information By Product Net Sales (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Net Sales $ 40,537,030 $ 49,421,411
Net Sales Percentage 100.00% 100.00%
Foil Balloons [Member]    
Net Sales $ 17,653,000 $ 21,192,000
Net Sales Percentage 43.00% 43.00%
Latex Balloons [Member]    
Net Sales $ 7,409,000 $ 7,862,000
Net Sales Percentage 18.00% 16.00%
Vacuum Sealing Products [Member]    
Net Sales $ 8,242,000 $ 8,820,000
Net Sales Percentage 20.00% 18.00%
Film Products [Member]    
Net Sales $ 1,883,000 $ 2,006,000
Net Sales Percentage 5.00% 4.00%
Home Organization [Member]    
Net Sales $ 263,000 $ 3,919,000
Net Sales Percentage 1.00% 8.00%
Other Products [Member]    
Net Sales $ 5,087,000 $ 5,622,000
Net Sales Percentage 13.00% 11.00%