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Note 30 - Supplemental Cash Flow Disclosure (Details Textual) - USD ($) |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 30, 2019 | Jan. 01, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Aug. 22, 2020 | Dec. 31, 2017
Interest Paid, Excluding Capitalized Interest, Operating Activities |  |  | $ 8,711,000 | $ 7,265,000 | $ 7,145,000 |  |
Income Taxes Paid |  |  | 234,000 | 30,000 | 44,000 |  |
Proceeds from Income Tax Refunds |  |  | 82,000 | 48,000 | 8,000 |  |
Minority Interest, Increase (Decrease) Related to Units of Consolidated Subsidiary |  |  |  | (23,000) |  |  |
Increase (decrease) other investments | $ 7,779,000 |  | (9,694,000) |  |  |  |
Operating Lease, Right-of-Use Asset |  |  | 6,063,000 | 7,155,000 |  |  |
Operating Lease, Liability, Total |  |  | 6,531,000 | 7,693,000 |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance |  |  | 101,437,000 | 48,756,000 | 42,438,000 |  | $ 48,156,000
Increase (Decrease) in Other Receivables |  |  | $ (42,696,000) | $ 34,535,000 | 8,559,000 |  |
Preferred Stock, Shares Issued, Total (in shares) |  |  | 27,413,098 | 27,413,098 |  |  |
ViaNova Investment [Member] |  |  |  |  |  |  |
Minority Interest, Increase (Decrease) Related to Units of Consolidated Subsidiary |  |  |  |  | 750,000 |  |
Redeemable Financial Instruments Accounts Receivable |  |  |  | $ 250,000 | 250,000 |  |
Series F Preferred Stock [Member] |  |  |  |  |  |  |
Preferred Stock, Shares Issued, Total (in shares) | 22,429,541 |  |  |  |  |  |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  | $ 8,416,000 |  |  |  |  |
Operating Lease, Liability, Total |  | 8,860,000 |  |  |  |  |
Increase (Decrease) in Other Receivables |  | 18,000 |  |  |  |  |
Increase (Decrease) in Other Operating Liabilities, Total |  | (406,000) |  |  |  |  |
Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance |  | $ 20,000 |  |  | (20,000) |  |
Discontinued Operations, Disposed of by Sale [Member] | ViaNova [Member] |  |  |  |  |  |  |
Disposal Group, Transferred On RTL, Fair Value |  |  |  |  |  | $ 2,243,000 |
Additional Paid-in Capital [Member] |  |  |  |  |  |  |
Minority Interest, Increase (Decrease) Related to Units of Consolidated Subsidiary |  |  | $ (1,765,000) | 28,000 | (217,000) |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance |  |  | 65,031,000 | 68,714,000 | 68,591,000 |  | 69,202,000
Additional Paid-in Capital [Member] | Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance |  |  |  |  |  |  |
AOCI Attributable to Parent [Member] |  |  |  |  |  |  |
Minority Interest, Increase (Decrease) Related to Units of Consolidated Subsidiary |  |  | 59,000 | (4,000) | 22,000 |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance |  |  | (821,000) | (915,000) | (908,000) |  | (850,000)
AOCI Attributable to Parent [Member] | Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance |  |  |  |  |  |  |
Noncontrolling Interest [Member] |  |  |  |  |  |  |
Minority Interest, Increase (Decrease) Related to Units of Consolidated Subsidiary |  |  | 1,706,000 | (47,000) | 195,000 |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance |  |  | $ 57,528,000 | $ 15,437,000 | 6,664,000 |  | $ 8,284,000
Noncontrolling Interest [Member] | Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance |  |  |  |  |  |  |

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