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Stockholders’ Equity and Stock Compensation (Summary of Stock Option Activity) (Details) - Stock Options [Member] - $ / shares	3 Months Ended	6 Months Ended
	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding		1,663,223
Options, Granted	300,000	165,768	500,000
Options, Exercised		(548,767)
Options Outstanding		1,280,224
Weighted Average Exercise Price, Options outstanding		$ 24.96
Weighted Average Exercise Price, Granted		58.56
Weighted Average Exercise Price, Exercised		21.53
Weighted Average Exercise Price, Options outstanding		$ 30.77

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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