Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.19.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Statement Of Financial Position [Abstract]    
Allowance for doubtful accounts $ 40 $ 38
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 75,000,000 75,000,000
Common stock, shares issued 19,335,220 16,158,883
Common stock, shares outstanding 19,335,220 16,158,883