Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical) (unaudited)

v3.19.2
CONSOLIDATED BALANCE SHEETS (Parenthetical) (unaudited) - USD ($)
May 31, 2019
Aug. 31, 2018
Common stock:    
Common stock, par value (in dollars per share) $ 0.003 $ 0.003
Common stock, shares authorized (in shares) 40,000,000 40,000,000
Common stock, shares outstanding (in shares) 23,801,598 23,764,098
Series B Preferred Stock [Member]    
Preferred stock:    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 25,000,000 25,000,000
Preferred stock, shares issued (in shares) 432,513 432,513
Preferred stock, shares outstanding (in shares) 432,513 432,513
Liquidation preference $ 432,513 $ 432,513