Quarterly report pursuant to Section 13 or 15(d)

Condensed Balance Sheets (Unaudited) (Parentheticals)

v3.19.2
Condensed Balance Sheets (Unaudited) (Parentheticals) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Preferred stock, par value (in dollars per share)   $ 0.001
Preferred stock, shares designated (in shares)   2,534,766
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 15,693,715 1,998,056
Common stock, shares outstanding (in shares) 15,693,715 1,998,056
Series A Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation value $ 1,999,997 $ 1,999,997
Preferred stock, shares designated (in shares) 416,666
Preferred stock, shares issued (in shares) 416,666
Preferred stock, shares outstanding (in shares) 416,666
Series B Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation value $ 14,000,641 $ 14,000,641
Preferred stock, shares designated (in shares) 2,118,100
Preferred stock, shares issued (in shares) 2,118,100
Preferred stock, shares outstanding (in shares) 2,118,100