Note 10 - Net Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2020			2019			2020			2019
Numerator:
Net loss	$	(2,734	)	$	(687	)	$	(6,914	)	$	(4,088	)
Denominator:
Basic weighted-average shares outstanding		35,479			32,392			33,696			32,405
Effect of dilutive options and restricted stock units		—			—			—			—
Diluted weighted average shares outstanding		35,479			32,392			33,696			32,405
Net loss per share ‒ Basic	$	(0.08	)	$	(0.02	)	$	(0.21	)	$	(0.13	)
Net loss per share ‒ Diluted	$	(0.08	)	$	(0.02	)	$	(0.21	)	$	(0.13	)

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Outstanding options		310		525		362		584
Nonvested restricted stock units		1,084		1,394		820		985
Employee Stock Purchase Plan		190		53		146		150
Total		1,584		1,972		1,328		1,719