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Note 19 - Income Taxes (Details Textual) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Deferred Tax Assets, Foreign Deferred Revenue and Other Provision | $ 3,604,000 | $ 4,054,000
Effective Income Tax Rate Reconciliation, Percent, Total |  | 23.30%
Deferred Federal, State and Local, Tax Expense (Benefit), Total |  | $ 240,000
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Total |  | 240,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% |
Unrecognized Tax Benefits, Ending Balance | $ 200,000 | 200,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total | 0 | 0
State and Local Jurisdiction [Member] |  |
Income Taxes Paid | 13,000 | 37,000
Proceeds from Income Tax Refunds | 5,000 | 51,000
Operating Loss Carryforwards, Total | 105,284,000 |
Operating Loss Carryforwards, Subject to Expiration | 102,085,000 |
Operating Loss Carryforwards, Not Subject to Expiration | 3,199,000 |
State and Local Jurisdiction [Member] | FLORIDA |  |
Operating Loss Carryforwards, Total | 57,524,000 |
State and Local Jurisdiction [Member] | Kentucky 1 [Member] |  |
Operating Loss Carryforwards, Total | 47,760,000 |
Foreign Tax Authority [Member] |  |
Income Taxes Paid | 206,000 | 293,000
Proceeds from Income Tax Refunds | 0 | 0
Domestic Tax Authority [Member] |  |
Income Taxes Paid | 0 | 0
Proceeds from Income Tax Refunds | 92,000 | $ 92,000
Operating Loss Carryforwards, Total | 140,310,000 |
Operating Loss Carryforwards, Subject to Expiration | 134,501,000 |
Operating Loss Carryforwards, Not Subject to Expiration | 5,809,000 |
Mexican Subsidiaries [Member] |  |
Deferred Tax Assets, Foreign Deferred Revenue and Other Provision | $ 3,717,000 |

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