Note 15 - Loss Per Share - Antidilutive Securities (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Antidilutive securities (in shares)	60,711	75,341
Convertible Preferred Stock [Member]
Antidilutive securities (in shares)		42,001
Share-Based Payment Arrangement, Option [Member]
Antidilutive securities (in shares)	30,437	33,340
Restricted Stock Units (RSUs) [Member]
Antidilutive securities (in shares)	9,369
Warrant [Member]
Antidilutive securities (in shares)	17,905
Company Earn-Outs [Member]
Antidilutive securities (in shares)	3,000