Note 12 - Stock-based Compensation - Summary of Outstanding Options (Details)	3 Months Ended
	Mar. 31, 2023 $ / shares shares
Time Vesting Options [Member]
Shares Outstanding (in shares) | shares	662,798
Outstanding, Weighted Average Remaining Contractual Term (Year)	6 years 8 months 19 days
Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 10.00
Shares Exercisable (in shares) | shares	476,685
Time Vesting Options [Member] | Range One [Member]
Lower Range Limit (in dollars per share)	$ 4.01
Upper Range Limit (in dollars per share)	$ 8.00
Shares Outstanding (in shares) | shares	566,673
Outstanding, Weighted Average Remaining Contractual Term (Year)	7 years 4 months 20 days
Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 7.42
Shares Exercisable (in shares) | shares	380,560
Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 7.40
Time Vesting Options [Member] | Range Two [Member]
Lower Range Limit (in dollars per share)	$ 8.01
Shares Outstanding (in shares) | shares	96,125
Outstanding, Weighted Average Remaining Contractual Term (Year)	2 years 9 months 10 days
Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 25.22
Shares Exercisable (in shares) | shares	96,125
Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 25.22
Performance Vesting Awards [Member]
Shares Outstanding (in shares) | shares	240,000
Outstanding, Weighted Average Remaining Contractual Term (Year)	7 years 2 months 4 days
Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 7.59
Shares Exercisable (in shares) | shares	240,000
Performance Vesting Awards [Member] | Range One [Member]
Lower Range Limit (in dollars per share)	$ 4.01
Upper Range Limit (in dollars per share)	$ 8.00
Shares Outstanding (in shares) | shares	240,000
Outstanding, Weighted Average Remaining Contractual Term (Year)	7 years 2 months 4 days
Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 7.59
Shares Exercisable (in shares) | shares	240,000
Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 7.59
Market Vesting Options [Member]
Shares Outstanding (in shares) | shares	633,334
Outstanding, Weighted Average Remaining Contractual Term (Year)	1 year 10 months 20 days
Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 3.00
Shares Exercisable (in shares) | shares	0
Market Vesting Options [Member] | Range One [Member]
Lower Range Limit (in dollars per share)	$ 0.01
Upper Range Limit (in dollars per share)	$ 4.00
Shares Outstanding (in shares) | shares	633,334
Outstanding, Weighted Average Remaining Contractual Term (Year)	1 year 10 months 20 days
Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 3.00
Shares Exercisable (in shares) | shares	0
Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 0