Note 6 - Financial Instruments and Fair Value Measurements - Estimated Fair Values of Derivative Instruments (Details) - Fair Value, Inputs, Level 2 [Member] - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Designated as Hedging Instrument [Member]
Derivatives designated as hedging instruments		$ 0	$ 9
Derivatives designated as hedging instruments		0	0
Not Designated as Hedging Instrument [Member]
Derivatives designated as hedging instruments		1,392	664
Derivatives designated as hedging instruments		753	0
Interest Rate Cap [Member] | Designated as Hedging Instrument [Member]
Derivatives designated as hedging instruments	[1]	0	9
Derivatives designated as hedging instruments	[1]	0	0
Interest Rate Cap [Member] | Not Designated as Hedging Instrument [Member]
Derivatives designated as hedging instruments	[1]	1,392	0
Derivatives designated as hedging instruments	[1]	0	0
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivatives designated as hedging instruments	[1]		664
Derivatives designated as hedging instruments	[1]	$ 0	$ 0

[1] Recorded in prepaid expenses and other current assets.