Note 14 - Basic and Diluted Net Loss Per Share - Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)	61,144,822	24,562,178
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)	15,886,489	10,602,414
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)	20,427,833	12,938,688
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)	24,830,500	1,021,076