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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Sep. 30, 2020
Sep. 30, 2019
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 32,730,000 32,499,000
Common stock, shares outstanding 32,647,000 25,634,000
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 700,000 700,000
Preferred stock, shares outstanding 700,000 700,000
Preferred stock, liquidation preference (in dollars per share) $ 100 $ 100
Treasury stock, shares, at cost 82,000 6,865,000
Series A Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.0001  
Preferred stock, shares authorized 10,000,000  
Preferred stock, shares issued 700,000 700,000
Preferred stock, liquidation preference (in dollars per share) $ 100 $ 100