Note 10 - Equity-based Compensation - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Outstanding, Number (in shares)	46,087,641
Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 5.9
Outstanding, Weighted Average Remaining Contractual Term (Year)	5 years 3 months 25 days	5 years 3 months 25 days
Outstanding, Intrinsic Value	$ 63	$ 0
Granted, Number (in shares)	11,873,258
Granted, Weighted Average Exercise Price (in dollars per share)	$ 1.6
Exercised, Number (in shares)	(18,750)	(211,187)	(445,437)
Exercised, Weighted Average Exercise Price (in dollars per share)	$ 2.12
Forfeited, Number (in shares)	(886,007)		0
Forfeited, Weighted Average Exercise Price (in dollars per share)	$ 3.13
Expired, Number (in shares)	(5,199,136)
Expired, Weighted Average Exercise Price (in dollars per share)	$ 6.18
Outstanding, Number (in shares)	51,857,006	46,087,641
Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 4.94	$ 5.9
Vested and expected to vest, Number (in shares)	51,857,006
Vested and expected to vest, Weighted Average Exercise Price (in dollars per share)	$ 4.94
Vested and expected to vest, Weighted Average Remaining Contractual Term (Year)	5 years 3 months 25 days
Vested and expected to vest, Intrinsic Value	$ 63
Exercisable, Number (in shares)	33,681,791
Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 6.34
Exercisable, Weighted Average Remaining Contractual Term (Year)	3 years 9 months 18 days
Exercisable, Intrinsic Value	$ 63