Note 11 - Financial Instruments - Amount Recognized in Statement of Comprehensive (Loss) Income Derivative Financial Instruments (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Total	$ 1,487	$ 130
Interest Rate Swap [Member]
Derivative instruments, changes in fair value		1,324
Interest rate swaps– realized loss	(147)	(81)
Financial Instrument Warrants [Member]
Derivative instruments, changes in fair value	$ 1,634	$ (1,113)

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CC
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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