Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parentheticals)

v3.20.1
Condensed Consolidated Balance Sheets (Parentheticals) - $ / shares
Mar. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
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) 13,949,772 13,898,694
Common stock, shares outstanding (in shares) 13,933,759 13,882,932
Treasury stock, shares (in shares) 16,013 15,762