Note 7 - Fair Value Measurements - Schedule of Reconciliation of Carrying Value of Company's Interest Rate Swaps (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Beginning balance	$ 458	$ 515
Reclassified from other assets and other long-term liabilities to accumulated other comprehensive loss	(40)	387
Change in fair value credited to interest expense	(706)	(444)
Ending balance	$ (288)	$ 458

The amount of increase (decrease) reclassified from other long-term liabilities to accumulated other comprehensive income (loss).

No definition available.

+ Details

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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