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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Dec. 31, 2020
Sep. 30, 2020
Statement of Financial Position [Abstract]    
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 32,767,000 32,730,000
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock (in shares) 10,000,000 10,000,000
Preferred stock (in shares) 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 82,000