Note 9 - Equity - Stock Options (Details) $ / shares in Units, $ in Thousands		3 Months Ended			12 Months Ended
	Aug. 31, 2016 item $ / shares shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($) shares	Sep. 30, 2022 USD ($) shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($)
EQUITY
Options granted	937,424
Option exercise price (per share) | $ / shares	$ 5.34
Number of Executives | item	2
Number of share options distributed as non-cash and stock dividend		12,034
Options outstanding, intrinsic value | $			$ 4,600			$ 4,600
Compensation costs | $					$ 17,500	12,900	$ 8,200
Employee Stock Option
EQUITY
Expiration period	10 years
Options exercised				20,000
Options exercised, intrinsic value | $		$ 600	$ 2,600	$ 124
Balance options				917,424
Compensation costs | $					$ 0	$ 0	$ 0
Employee Stock Option | Class A Common Stock
EQUITY
Options exercised		100,000	168,712
Options outstanding and unexercised		648,712	748,712		648,712	748,712
Employee Stock Option | Class B Common Stock
EQUITY
Options granted						183,484
Options exercised		20,000	33,742
Options outstanding and unexercised		141,776	149,742		141,776	149,742