Stockholders' Equity (Tables)  | 
3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Dec. 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 three months ended December 31, 2021: 
 
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- Definition Schedule Of Treasury Stock Transactions [Table Text Block]. No definition available. 
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- References No definition available. 
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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