Note 12 - Incentive Share Plan - Summary of Share-based Incentive Plan Activity (Details) - The 2018 Plan [Member]	9 Months Ended
	Sep. 30, 2022 $ / shares shares
Non-vested, shares (in shares)	2,716,132
Non-vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 8.32
Granted, shares (in shares)	325,112
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 11.84
Vested, shares (in shares)	(205,281)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 7.46
Forfeited, shares (in shares)	(1,336,518)
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares	$ 8.30
Non-vested, shares (in shares)	1,499,445
Non-vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 9.22
Available for grant, shares (in shares)	1,226,469