Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parentheticals)

v3.19.1
Consolidated Balance Sheets (Parentheticals) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Preferred stock, par value (in dollars per share)   $ 0.001
Preferred stock, shares authorized (in shares)   5,000,000
Preferred stock, shares issued (in shares)   7,000
Preferred stock, shares outstanding (in shares)   7,000
Preferred stock, liquidation preference   $ 7,000,000
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) 33,859,034 33,191,571
Common stock, shares to be issued (in shares) 2,470,565 1,401,247
Common stock, shares outstanding (in shares) 33,825,701 33,158,238
Treasury stock, at cost, shares (in shares) 33,333 33,333