Investment Securities (Tables)

3 Months Ended

Sep. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-Sale Securities

Investment securities at September 30, 2021 and June 30, 2021 consist of certificates of deposit which are classified as available-for-sale securities and have been determined to be level 1 assets. The cost, gross unrealized gains, gross unrealized losses and fair value of available-for-sale securities by major security type at September 30, 2021 and June 30, 2021 are as follows:

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
September 30, 2021
Certificates of deposit	$	3,138,000	$	—	$	—	$	3,138,000
June 30, 2021
Certificates of deposit	$	3,092,000	$	—	$	—	$	3,092,000

Schedule of Contractual Maturities

As of September 30, 2021 and June 30, 2021, the remaining contractual maturities of available-for-sale securities were as follows:

	Years to Maturity
	Less than		One to
	One Year		Five Years		Total
September 30, 2021
Available-for-sale	$	3,138,000	$	—	$	3,138,000
June 30, 2021
Available-for-sale	$	3,092,000	$	—	$	3,092,000