Note 16 - Fair Value Measurement - Summary of the Fair Values of the Company's Derivative Instrument Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Derivative instrument asset	$ 172	$ 731
Derivative instrument liability	(1,718)
Fair Value, Recurring [Member]
Derivative instrument asset	542	731
Derivative instrument liability	(1,718)
Total assets (liability)	(1,176)
Total assets		731
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Derivative instrument asset
Derivative instrument liability
Total assets (liability)
Total assets
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Derivative instrument asset	542	731
Derivative instrument liability	(1,718)
Total assets (liability)	(1,176)
Total assets		731
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Derivative instrument asset
Derivative instrument liability
Total assets (liability)
Total assets

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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