XML 46 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 8 - Net Loss Per Share - Anti-dilutive Securities (Details) - shares
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Antidilutive securities (in shares) 5,816,465 4,240,688
Employee Stock Option [Member]    
Antidilutive securities (in shares) 5,549,106 4,142,692
Restricted Stock Units (RSUs) [Member]    
Antidilutive securities (in shares) 267,359 97,996