Stock-Based Compensation Expense (Tables)

12 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of shares outstanding

A summary of stock option activity under our Stock Plans for fiscal 2023, 2022, and 2021 are as follows:

		Options Outstanding
		Number of Shares	Weighted Average Exercise Price
Balance at March 31, 2020		163,016	$	12.25
	Granted	71,780	14.28
	Exercised	(97,156)	6.81
	Forfeited	(16,171)	14.28
	Expired	(10,068)	$	14.73
Balance at March 31, 2021		111,401	$	16.53
	Granted	—	—
	Exercised	(8,100)	12.00
	Forfeited	(9,742)	14.28
	Expired	(4,322)	16.30
Balance at March 31, 2022		89,237	$	17.20
	Expired	(14,871)	$	21.52
Balance at March 31, 2023		74,366	$	16.33

Schedule of shares oustanding, vested and exercisable

The following table summarizes information about stock options outstanding as of March 31, 2023:

	Options Outstanding						Options Vested and Exercisable
Exercise Price	Number Outstanding	Weighted Average Contractual Life (Years)	Weighted Average Exercise Price		Aggregate Intrinsic Value at March 31, 2023		Number Vested and Exercisable	Weighted Average Contractual Life (Years)	Weighted Average Exercise Price		Aggregate Intrinsic Value at March 31, 2023
$14.28	45,867	7.2	$	14.28	$	393,810	—	7.2	$	—	$	—
$19.64	28,499	3.8	19.64		244,690		28,499	3.8	19.64		—
$14.28 - $19.64	74,366	5.9	$	16.33	$	638,500	28,499	5.9	$	19.64	$	—

Schedule restricted stock activity

The following table summarizes the activity with regard to unvested restricted stock units issued to employees during fiscal 2023, 2022, and 2021.

Restricted Stock Units		Number of Shares	Weighted Average Grant Fair Value
Balance of unvested units at March 31, 2020		236,706	$	22.14
	Granted	222,679	13.75
	Released	(115,504)	21.33
	Forfeited	(39,357)	16.95
Balance of unvested units at March 31, 2021		304,524	$	12.96
	Granted	139,242	17.62
	Released	(125,089)	19.42
	Forfeited	(24,524)	14.81
Balance of unvested units at March 31, 2022		294,153	$	16.26
	Granted	167,842	16.82
	Released	(112,157)	17.56
	Forfeited	(13,584)	15.83
Balance of unvested units at March 31, 2023		336,254	$	16.12

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

The following table summarized the target number of performance stock units outstanding and the minimum and maximum number of shares that can be earned as of March 31, 2023.

Fiscal Year Granted	Target	Minimum	Maximum
Fiscal 2021	136,350	—	272,700
Fiscal 2022	95,068	—	190,136
Fiscal 2023	135,479	—	270,958