Note 8 - Earnings Per Share Attributable to Common Stockholders (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2021			2020		2021			2020
Net (Loss) Income Attributable to Common Stockholders	$	(2,070	)	$	3,547	$	(20,433	)	$	110
Weighted Average Common Shares Outstanding, Basic		43,373			40,560		42,774			39,452
Dilutive Effect of Share-Based Awards:
Service Period Stock Options		—			978		—			880
Restricted Stock Units		—			141		—			121
Performance		—			21		—			20
Weighted Average Common Shares Outstanding, Diluted		43,373			41,700		42,774			40,473
Basic Earnings per Share	$	(0.05	)	$	0.09	$	(0.48	)	$	0.00
Diluted Earnings per Share	$	(0.05	)	$	0.09	$	(0.48	)	$	0.00

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Service Period Stock Options		1,275		1,111		1,298		1,254
Restricted Stock Units		160		199		173		213
Performance Stock Options		886		25		886		25
Total shares issuable as assumed exercise would be antidilutive		2,321		1,335		2,357		1,492