Note 12 - Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

	Year Ended December 31,
	2019			2018
Numerator:
Net loss	$	(5,418	)	$	(7,716	)
Denominator:
Basic weighted-average shares outstanding		32,411			32,169
Effect of dilutive options and restricted stock units		—			—
Diluted weighted-average shares outstanding		32,411			32,169
Net loss per share – Basic	$	(0.17	)	$	(0.24	)
Net loss per share – Diluted	$	(0.17	)	$	(0.24	)

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

	Year Ended December 31,
	2019		2018
Outstanding options		538		669
Nonvested shares of restricted stock units		915		1,060
Employee Stock Purchase Plan		141		237
Total		1,594		1,966