Note 10 - Net Loss Per Share of Common Stock - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Net loss that is available to common shareholders	$ (69,019)	$ (7,956)
Basic (in shares)	22,419,138	22,180,102
Effect of stock options and restricted stock units (in shares)
Adjusted weighted average shares and assumed conversions (in shares)	22,419,138	22,180,102
Basic loss per share (in dollars per share)	$ (3.08)	$ (0.36)
Diluted loss per share (in dollars per share)	$ (3.08)	$ (0.36)
Anti-dilutive shares excluded from computation of diluted loss per share (in shares)	1,825,727	1,285,307