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Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Noncontrolling Interest [Member]
Total
Beginning balance, value at Sep. 30, 2019 $ 96 $ 61,312 $ 108,168 $ (156) $ 169,420
Beginning balance, shares at Sep. 30, 2019 9,591,000        
Purchase of treasury shares $ (6,441) (6,441)
Purchase of treasury shares, shares     (333,000)    
Canceled treasury shares $ (3) (6,438) $ 6,441
Canceled treasury shares, shares (333,000)     333,000    
Payment of dividends (279) (279)
Payment to noncontrolling interests (10) (10)
Net income 5,634 5,634
Ending balance, value at Dec. 31, 2019 $ 93 54,874 113,523 (166) 168,324
Ending balance, shares at Dec. 31, 2019 9,258,000        
Beginning balance, value at Sep. 30, 2020 $ 91 51,833 100,797 (414) 152,307
Beginning balance, shares at Sep. 30, 2020 9,075,000        
Purchase of treasury shares $ (1,794) (1,794)
Purchase of treasury shares, shares     (75,000)    
Canceled treasury shares $ (1) (1,793) $ 1,794
Canceled treasury shares, shares (75,000)     75,000    
Payment of dividends (360) (360)
Payment to noncontrolling interests
Net income 9,643 (134) 9,509
Ending balance, value at Dec. 31, 2020 $ 90 $ 50,040 $ 110,080 $ (548) $ 159,662
Ending balance, shares at Dec. 31, 2020 9,000,000