Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($)
Total
Cumulative Effect, Period of Adoption, Adjustment
Additional Paid-in Capital
Treasury Stock
Retained Earnings
Retained Earnings
Cumulative Effect, Period of Adoption, Adjustment
Class A Common Stock
Common Stock
Class B Common Stock
Common Stock
Beginning balance (in shares) at Sep. 30, 2018             11,950,000 42,387,571
Beginning balance at Sep. 30, 2018 $ 299,469,000   $ 242,493,000 $ (15,603,000) $ 72,525,000   $ 12,000 $ 42,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Conversion of Class B common stock to Class A common stock (in shares)             20,355,202 (20,355,202)
Conversion of Class B common stock to Class A common stock             $ 20,000 $ (20,000)
Issuance of stock (in shares)             292,534  
Stock option exercise 3,000   3,000         $ 74,592
Equity-based compensation expense 957,000   957,000          
Net income 43,121,000       43,121,000      
Ending balance (in shares) at Sep. 30, 2019             32,597,736 22,106,961
Ending balance at Sep. 30, 2019 $ 343,550,000 $ (222,000) 243,452,000 (15,603,000) 115,646,000 $ (222,000) $ 33,000 $ 22,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Accounting Standards Update [Extensible List] us-gaap:AccountingStandardsUpdate201802Member              
Conversion of Class B common stock to Class A common stock (in shares)             1,278,148 (1,278,148)
Conversion of Class B common stock to Class A common stock             $ 1,000 $ (1,000)
Equity-based compensation expense $ 1,570,000   1,570,000          
Net income 40,297,000       40,297,000      
Ending balance (in shares) at Sep. 30, 2020             33,875,884 20,828,813
Ending balance at Sep. 30, 2020 $ 385,195,000   $ 245,022,000 $ (15,603,000) $ 155,721,000   $ 34,000 $ 21,000