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Note 14 - Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Derivative Liabilities at Fair Value [Table Text Block] |
|  |  |  | Notional Amount
Agreement date | Counterparty | Effective (start) date: | Original Termination Date: | As of December 31, 2019 | Fixed rate
June 3, 2016 | ABN Amro Bank | April 13, 2018 | Ju1y 13, 2021 | $14,113 | 1.4425%
December 19, 2016 | ABN Amro Bank | December 21, 2016 | January 13, 2022 | $14,888 | 2.0800%
March 29, 2018 | Alpha Bank | March 29, 2018 | February 25, 2025 | $19,100 | 2.9700%
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] |
Class B Warrants Outstanding December 31, 2019 | Class B Warrant Shares Outstanding December 31, 2019 | Original Term | Warrant Exercise Price* | Fair Value – Liability December 31, 2019
4,200,000 | 168,000 | 18 months | $25.00 | 609
Class B Warrants Outstanding December 31, 2020 | Class B Warrant Shares Outstanding December 31, 2020 | Original Term | Warrant Exercise Price* | Fair Value – Liability December 31, 2020
4,200,000 | 168,000 | 18 months | $1.00 | 66
Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
|  |  |  |  |  | Fair Value Measurement at Reporting Date |
As of December 31, 2019 |  | Total |  |  | Using Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Other Unobservable Inputs (Level 3) |
Current asset (Interest Rate Swaps) |  |  | 82 |  |  |  | - |  |  |  | 82 |  |  |  | - |
Current liability (Interest Rate Swaps) |  |  | 113 |  |  |  | - |  |  |  | 113 |  |  |  | - |
Non-current liability (Interest Rate Swaps) |  |  | 985 |  |  |  | - |  |  |  | 985 |  |  |  | - |
Non-current liability (Class B Warrants) |  |  | 609 |  |  |  | - |  |  |  | - |  |  |  | 609 |
As of December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current liability (Class B Warrants) |  |  | 66 |  |  |  | - |  |  |  | - |  |  |  | 66 |
Fair Value Measurements, Nonrecurring [Table Text Block] |
|  |  |  |  |  | Fair Value Measurement at Reporting Date |
|  | Total |  |  | Using Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Other Unobservable Inputs (Level 3) |
As of December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets held for sale |  |  | 43,271 |  |  |  | - |  |  |  | 43,271 |  |  |  | - |
Investments in unconsolidated joint ventures |  |  | 19,306 |  |  |  | - |  |  |  | 19,306 |  |  |  | - |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] |
Closing balance – December 31, 2018 |  |  | 1,915 |
Change in fair value of 2014 Warrants, included in Gain / (Loss) on derivative financial instruments in the consolidated statements of comprehensive loss |  |  | (1,915 | )
Initial measurement of Class B Warrants at inception |  |  | 997 |
Change in fair value of Class B Warrants, included in Gain / (Loss) on derivative financial instruments in the consolidated statements of comprehensive loss |  |  | (388 | )
Closing balance – December 31, 2019 |  |  | 609 |
Change in fair value of Class B Warrants, included in Gain / (Loss) on derivative financial instruments in the consolidated statements of comprehensive loss |  |  | (543 | )
Closing balance – December 31, 2020 |  |  | 66 |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] |
| Quantitative information about Level 3 Fair Value Measurements
Derivative type | Fair Value at December 31, 2019 | Fair Value at December 31, 2020 | Balance Sheet Location | Valuation Technique | Significant Unobservable Input | Input Value December 31, 2020
Class B Warrants | 609 | 66 | Non-Current / Current liabilities –Derivative financial instruments | Cox, Ross and Rubinstein Binomial | Volatility | 109%
Derivative Instruments, Gain (Loss) [Table Text Block] |
|  | Amount of gain/(loss) recognized in Statement of comprehensive loss located in Gain / (Loss) on derivate financial instruments |
|  | 2018 |  |  | 2019 |  |  | 2020 |
Interest rate swaps- change in fair value |  |  | 404 |  |  |  | (841 | ) |  |  | (1,332 | )
Interest rate swaps– realized gain/(loss) |  |  | - |  |  |  | 139 |  |  |  | (25 | )
2014 Warrants- change in fair value |  |  | 1,417 |  |  |  | 1,915 |  |  |  | - |
Class B Warrants- change in fair value |  |  | - |  |  |  | 388 |  |  |  | 543 |
Total |  |  | 1,821 |  |  |  | 1,601 |  |  |  | (814 | )
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Unrealized (Loss) on cash flow hedges |
Balance, December 31, 2018 |  |  | - |
Effective portion of changes in fair value of interest swap contracts |  |  | (1,361 | )
Balance, December 31, 2019 |  |  | (1,361 | )
Termination of interest rate swap contracts |  |  | 1,361 |
Balance, December 31, 2020 |  |  | - |

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775 + Details
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