Note 8 - Identified Intangible Assets - Identified Intangible Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Accumulated amortization		$ 785	$ 778	$ 755
Indefinite-lived intangible assets including goodwill	[1]	140,728
Total Intangibles		171,715
Carrying amount		170,930	30,209	30,232
Gross amount			30,987	30,987
Trademarks [Member] | Wholesale [Member]
Indefinite-lived intangible assets		27,192
Accumulated amortization			0	0
Gross amount			27,192	27,192
Carrying amount			27,192	27,192
Trademarks [Member] | Retail [Member]
Indefinite-lived intangible assets		2,900
Accumulated amortization			0	0
Gross amount			2,900	2,900
Carrying amount			2,900	2,900
Patents [Member]
Gross amount, finite-lived intangible assets		895
Accumulated amortization		785	778	755
Carrying amount, finite-lived intangible assets		$ 110
Gross amount			895	895
Carrying amount			$ 117	$ 140

[1] Acquired intangibles consist of trademarks and goodwill, allocated on a preliminary basis.