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Note 2 - Discontinued Operations (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total $ (486,637) $ (774,040)
CTI Balloons Limited [Member]    
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total   73,000
CTI Europe [Member]    
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total 317,000 (147,000)
Ziploc Product Line [Member] | Discontinued Operations [Member]    
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total $ (804,000) $ 558,000