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Note 15 - Derivatives (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] |
|  |  |  | December 31, 2019
|  |  |  | Notional Amount |  | Fair Value (a)
Derivatives instruments |  | Balance sheet classification |  | (in thousands)
Interest rate swaps |  | Other long term liabilities |  | $ | 28,821 |  |  | $ | (603 | )
|  |  |  | December 31, 2018
|  |  |  | Notional Amount |  | Fair Value (a)
Derivatives instruments |  | Balance sheet classification |  | (in thousands) |
Interest rate swaps |  | Other long term liabilities |  | $ | 34,090 |  |  | $ | (170 | )
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
Derivatives in Hedging Relationships |  | Amount of gain (loss) recognized in OCI on derivative (effective portion)
|  | Year Ended December 31,
|  | 2019 |  | 2018
|  | (in thousands)
Interest rate swaps |  | $ | (572 | ) |  | $ | (343 | )
Details about AOCI Components |  | Amount reclassified from AOCI into income (effective portion) |  |
|  | Year Ended December 31, |  | Location of amount reclassified
|  | 2019 |  | 2018 |  | into income (effective portion)
|  |  | (in thousands) |  |  |
Interest rate swaps |  | $ | 139 |  |  | $ | 136 |  |  | Interest expense

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- Definition Tabular disclosure of gain (loss) on derivative and nonderivative instruments designated and qualifying as cash flow hedge recorded in accumulated other comprehensive income (AOCI) and reclassified into earnings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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