Stockholders' Equity (Tables)  | 
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2021  | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of stock options using valuation assumptions | The expected term of options granted is derived from the output of the option valuation model and represents the period of time that options granted are expected to be outstanding; the range given below results from different timeframes for the various market conditions being met.
 
 
 
 
 
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| Schedule of treasury stock purchases and issuances | 
 The following table illustrates the Company’s treasury stock activity for the six months ended March 31, 2021: 
 
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