XML 17 R3.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Balance Sheets (Parentheticals) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Allowance for doubtful accounts $ 472 $ 187
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 50,000,000 50,000,000
Common stock, shares issued (in shares) 8,319,022 8,812,644
Common stock, shares outstanding (in shares) 8,319,022 8,812,644