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Summary of Significant Accounting Policies (Tables)

6 Months Ended

Oct. 31, 2022

Accounting Policies [Abstract]

Schedule of Cash and Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Balance Sheets that total to the same amounts shown in the Consolidated Statements of Cash Flows.

 Schedule of Cash and Cash Equivalents and Restricted Cash

		October 31, 2022				April 30, 2022
		(in thousands)
Cash and cash equivalents		$	10,030			$	7,885
Restricted cash- short term			258				258
Restricted cash- long term			219				219
Cash, cash equivalents, restricted cash and restricted cash equivalents		$	10,507			$	8,362

Schedule of Investments and Unrealized Gains/Losses

The following table summarizes the Company’s marketable securities as of October 31, 2022:

 Schedule of Investments and Unrealized Gains/Losses

Category		Amortized Cost				Unrealized Gains (Losses)				Market Value
Corporate Bonds		$	27,364			$	(23	)		$	27,341
Government Bonds & Notes			5,008			$	—				5,008
Government Agency			3,496			$	(5	)			3,491
Total Marketable Securities		$	35,868			$	(28	)		$	35,840

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Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage.

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