Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)

v3.8.0.1
Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
Sep. 30, 2017
Dec. 31, 2016
Series A preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Series A preferred stock, shares authorized (in shares) 50,000 50,000
Series A preferred stock, shares issued (in shares) 0 0
Series A preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 20,000,000 20,000,000
Common stock, shares issued (in shares) 13,499,684 13,317,393
Common stock, shares outstanding (in shares) 13,485,600 13,020,889
Treasury stock, shares (in shares) 14,084 296,504