Note 16 - Loss from Continuing Operations per Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings per Share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Unvested restricted stock awards (in shares)	6,887,350	6,566,740
Restricted Stock Units (RSUs) [Member]
Unvested restricted stock awards (in shares)	1,252,754	500,000
Warrant [Member]
Unvested restricted stock awards (in shares)	4,573,765	4,923,765
Convertible Debt Securities [Member]
Unvested restricted stock awards (in shares)	1,060,831	1,142,975