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Note 9 - Notes Payable and Capital Leases - Long-term Debt (Details) (Parentheticals) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
4% Subordinated Notes [Member]
Stated Rate	4.00%	4.00%
Conversion of debt, original balance	$ 600,000
Conversion of debt, shares issued (in shares)	181,000
Note Payable at 11.75% [Member] | Flexo Universal [Member]
Stated Rate	11.75%	11.75%
Maturty date	Dec. 31, 2021	Dec. 31, 2021
Term Loan [Member] | PNC [Member]
Stated Rate	8.25%	8.25%
Periodic Payment	$ 100,000	$ 100,000
Amortization period (Year)	5 years	5 years

X

- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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