Note 8 - Net Loss Per Share

3 Months Ended

Mar. 31, 2017

Notes to Financial Statements

Earnings Per Share [Text Block]

Note

8

. Net

Loss

Per Share

Basic net

loss per share is calculated by dividing net loss by the weighted-average number of common shares outstanding during the year. Diluted net loss per common share is the same as basic net loss per common share, as the effect of the potential common stock equivalents is anti-dilutive and as such is excluded from the calculations of the diluted net loss per share.

The following number

s of shares outstanding, prior to the application of the treasury stock method, were excluded from the computation of diluted net loss per common share for the period presented because including them would have had an anti-dilutive effect (in thousands):

	Three Months Ended
	March 3 1 ,
	201 7		201 6
Options to purchase common stock		1,088		3,191
Restricted stock units		384		405
Performance stock units		164		158
Employee stock purchase plan shares		49		42
Total		1,685		3,796