Note 8 - Earnings Per Share Attributable to Common Shareholder - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net (Loss) Income Attributable to Common Stockholders	$ (2,070)	$ 3,547	$ (20,433)	$ 110
Weighted Average Common Shares Outstanding, Basic (in shares)	43,373	40,560	42,774	39,452
Dilutive Effect of Share-Based Awards:
Weighted Average Common Shares Outstanding, Diluted (in shares)	43,373	41,700	42,774	40,473
Basic Earnings per Share (in dollars per share)	$ (0.05)	$ 0.09	$ (0.48)	$ 0.00
Diluted Earnings per Share (in dollars per share)	$ (0.05)	$ 0.09	$ (0.48)	$ 0.00
Service Period Stock Options [Member]
Dilutive Effect of Share-Based Awards:
Effect of Share-Based Awards (in shares)	0	978	0	880
Restricted Stock Units (RSUs) [Member]
Dilutive Effect of Share-Based Awards:
Effect of Share-Based Awards (in shares)	0	141	0	121
Performance Shares [Member]
Dilutive Effect of Share-Based Awards:
Effect of Share-Based Awards (in shares)	0	21	0	20