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Common Stock (Details Narrative) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Oct. 18, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Number of stock retired, shares     516,102 128,040    
Number of stock retired, value     $ 9.5 $ 2.9    
Dividends per share   $ 0.04 $ 0.04 $ 0.03 $ 0.03 $ 0.04
Aggregate amount of dividend   $ 1.4 $ 1.3 $ 1.3    
Number of common stock purchased   74,659        
Number of common shares purchased, value   $ 1.8        
Subsequent Event [Member] | Common Stock [Member]            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Number of shares an acquisition 500,000