Note 7 - Computation of Basic and Diluted Net Loss Per Share (Tables)

3 Months Ended

Jun. 30, 2017

Notes Tables

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

	Three Months Ended
	June 30, 201 7		June 30, 201 6
	(in thousands)
Options		1,854		2,779
Unvested restricted stock units		69		198
Warrants		2,262		2,262
Total common stock equivalents excluded from diluted net loss per common share		4,185		5,239