Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash Equivalents and Investments (Schedule of Estimated Fair Value of Available-for-Sale Securities) (Details)

v3.22.2.2
Restricted Cash Equivalents and Investments (Schedule of Estimated Fair Value of Available-for-Sale Securities) (Details)
Sep. 30, 2022
USD ($)
Schedule of Available-for-sale Securities [Line Items]  
Amortized Cost $ 3,685,102
Estimated Market Value 3,613,924
Investments [Member]  
Schedule of Available-for-sale Securities [Line Items]  
Amortized Cost, Due within one year 2,725,561
Amortized Cost 2,725,561
Estimated Market Value, Due within one year 2,654,383
Estimated Market Value $ 2,654,383