Note 23 - Discontinued Operations (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total		$ 173,727	$ (2,520,616)
CTI Europe [Member]
Disposal Group, Including Discontinued Operation, Assets, Total				$ 1,750,000
CTI Balloons and CTI Europe [Member]
Disposal Group, Including Discontinued Operation, Assets, Total			9,219,598
Disposal Group, Including Discontinued Operation, Inventory				1,000,000.0
Disposal Group, Including Discontinued Operation, Allowance for Doubtful Accounts				67,000
Disposal Group, Including Discontinued Operation, Other Assets				8,000
Depreciation and Amortization, Discontinued Operations		0	7,000
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total		173,727	(2,520,616)
Ziploc Product Line [Member] | Discontinued Operations [Member]
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total			$ (2,024,851)	$ 1,111,452
Flexo Universal [Member] | Discontinued Operations [Member]
Transaction Expenses, Divestiture of Interest in Subsidiary	$ 10,000,000
Reversal of Previously Recognized Charges	6,000,000
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates, Total	245,000
Proceeds from Divestiture of Businesses and Interests in Affiliates, Total	500,000
Financing Receivable, before Allowance for Credit Loss, Current	$ 255,000	$ 255,000