Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.8.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
shares in Thousands
Sep. 30, 2017
Dec. 31, 2016
Condensed Consolidated Balance Sheets [Abstract]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 50,000 50,000
Common stock, shares issued 23,946 24,485
Common stock, shares outstanding 23,946 24,485