Note 11 - Related Party Transactions - Pro Forma Condensed Combined Financial Information (Details) - High Peak Business Combination [Member] $ / shares in Units, $ in Thousands	4 Months Ended
	Dec. 31, 2020 USD ($) $ / shares
Total revenues	$ 24,623
Net loss attributable to Common Stock	$ (23,310)
Basic and diluted net loss per share (in dollars per share) | $ / shares	$ (0.25)