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Stock-Based Compensation (Tables)

12 Months Ended

Apr. 30, 2022

Stock-Based Compensation

Schedule of stock option plans


		Restated 2006 Plan					2002 Plan					1992 Plan
				Weighted					Weighted					Weighted
				Average					Average					Average
				Exercise					Exercise					Exercise
		Shares		Price			Shares		Price			Shares		Price
Outstanding at April 30, 2019		337,026			25.25		—			—		14,302			0.59
Options granted		—			—		—			—		—			—
Options exercised		(3,000)			31.15		—			—		(13,189)			0.59
Options canceled		—			—		—			—		—			—
Outstanding at April 30, 2020		334,026			25.19		—			—		1,113			0.59
Options granted		—			—		—			—		—			—
Options exercised		(53,500)			28.45		—			—		(1,113)			0.59
Options canceled		—			—		—			—		—			—
Outstanding at April 30, 2021		280,526			24.57		—			—		—			—
Options granted		—			—		—			—		—			—
Options exercised		(114,362)			24.28		—			—		—			—
Options canceled		—			—		—			—		—			—
Outstanding at April 30, 2022		166,164			24.78		—			—		—			—
Options exercisable at April 30, 2022		166,164		$	24.78		—		$	—		—		$	—

Schedule of information concerning outstanding and exercisable options


					Options Outstanding
							Weighted
							Average					Options Exercisable
							Remaining		Weighted					Weighted
					As of		Contractual		Average			As of		Average
					April 30,		Life In		Exercise			April 30,		Exercise
Range of Exercise Prices					2022		Years		Price			2022		Price
$	18.07	-	18.32		30,000		0.98		$	18.07		30,000		$	18.07
	18.33	-	22.64		20,000		0.98			18.57		20,000			18.57
	22.65	-	26.99		50,000		3.15			26.70		50,000			26.70
	27.00	-	29.27		50,000		1.56			27.27		50,000			27.27
	29.28	-	31.27		16,164		2.26			31.27		16,164			31.27
$	18.07	-	31.27		166,164		1.93		$	24.78		166,164		$	24.78

Schedule of Company's restricted stock awards

Information related to the Company’s restricted stock awards at April 30, 2022 and for the year then ended is as follows:


		2021 Plan					Restated 2006 Plan
				Weighted					Weighted
				Average					Average
				Grant Date					Grant Date
		Shares		Fair Value			Shares		Fair Value
Unvested stock at April 30, 2021		—		$	—		180,028		$	83.02
Stock granted		47,026			75.66		57,376			66.10
Stock vested		—			—		(94,389)			62.52
Stock canceled		(1,950)			74.27		(30,170)			89.58
Unvested stock at April 30, 2022		45,076		$	75.71		112,845		$	89.80

Information related to the Company’s restricted stock units at April 30, 2022 and for the year then ended is as follows:


		Restated 2006 Plan
				Weighted
				Average
				Grant Date
		Shares		Fair Value
Unvested stock at April 30, 2021		—		$	—
Stock granted		4,395			97.96
Stock vested		—			—
Stock canceled		—			—
Unvested stock at April 30, 2022		4,395		$	97.69