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v3.19.1

Note 9 - Notes Payable and Capital Leases - Long-term Debt (Details) (Parentheticals) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
4% Subordinated Notes [Member] |  |  |
Stated Rate |  | 4.00% | 4.00%
4% Subordinated Notes [Member] | Subsequent Event [Member] |  |  |
Conversion of debt, original balance | $ 600,000 |  |
Conversion of debt, shares issued (in shares) | 181,000 |  |
Prime + .25% Note Payable [Member] | CTI Europe [Member] |  |  |
Maturty date description |  | Due 2015 | Due 2015
Prime Rate |  |  | 3.25%
Variable Rate |  |  | 0.25%
Effective Rate |  | 3.50% | 3.50%
Promissory Note With Merrick [Member] |  |  |
Stated Rate |  | 4.25% | 4.25%
Maturty date description |  | Due on demand | Due on demand
Promissory Note with Schwan Leasing [Member] |  |  |
Stated Rate |  | 4.25% | 4.25%
Maturty date description |  | Due on demand | Due on demand
Note Payable at 11.75% [Member] | Flexo Universal [Member] |  |  |
Stated Rate |  | 11.75% | 11.75%
Maturty date description |  | Due 2021 | Due 2021
First American Equipment Finance [Member] |  |  |
Periodic Payment |  | $ 2,890 | $ 2,890
Amortization period (Year) |  | 5 years | 5 years
Wells Fargo [Member] | 5 Year Capital Lease [Member] |  |  |
Periodic Payment |  | $ 367 | $ 367
Amortization period (Year) |  | 5 years | 5 years
PNC [Member] | Term Loan [Member] |  |  |
Periodic Payment |  | $ 100,000 | $ 100,000
Amortization period (Year) |  | 5 years | 5 years
Stated Rate |  | 8.25% | 8.25%

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