XML 14 R3.htm IDEA: XBRL DOCUMENT v3.19.2
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
Jun. 30, 2019
Dec. 31, 2018
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) 22,803,425 22,265,971
Common stock, shares outstanding (in shares) 22,803,425 22,265,971