Stock Option (Tables)

12 Months Ended

Jun. 30, 2023

2012 Employee Stock Option Plan

Stock Option

Schedule of fair value and valuation assumptions

	2023		2022		2021
Risk-free interest rates	3.03	%	1.64	%	n/a
Expected lives	7.27 Years		6.18 Years		n/a
Expected volatility	43	%	43	%	n/a
Expected dividend yields	0	%	0	%	n/a

Schedule of plan activity

	2023				2022				2021
			Weighted average				Weighted average				Weighted average
	Options		exercise price		Options		exercise price		Options		exercise price
Outstanding, beginning of year		523,080	$	18.59		214,080	$	9.59		235,680	$	9.42
Granted		37,500	$	26.94		338,000	$	23.17		—		—
Forfeited/Lapsed		—		—		—		—		(13,000)		6.91
Exercised		(39,000)	$	10.44		(29,000)	$	5.45		(8,600)		9.04
Outstanding, end of period		521,580	$	19.37		523,080	$	18.59		214,080	$	9.59
Exercisable, end of period		247,628	$	17.16		176,752	$	14.68		98,176	$	8.07
Weighted average fair value at grant date of options granted	$	13.36			$	12.16			$	n/a
Total intrinsic value of options exercised	$	822,000			$	502,000			$	65,000
Total intrinsic value of options outstanding	$	7,968,000			$	1,916,000			$	1,840,000
Total intrinsic value of options exercisable	$	4,330,000			$	1,218,000			$	993,000

Schedule of options outstanding

	Options outstanding				Options exercisable
		Weighted average
	Number	remaining	Weighted average		Number	Weighted average
Range of exercise prices	outstanding	contractual life	exercise price		exercisable	exercise price
$3.15 ‑ $26.94	521,580	7.67	$	19.37	247,628	$	17.16
	521,580	7.67	$	19.37	247,628	$	17.16

2012 Non-Employee Stock Option Plan

Stock Option

Schedule of fair value and valuation assumptions

	2023	2022		2021
Risk-free interest rates	n/a	1.68	%	n/a
Expected lives	n/a	6.18 Years		n/a
Expected volatility	n/a	43	%	n/a
Expected dividend yields	n/a	0	%	n/a

Schedule of plan activity

	2023				2022				2021
			Weighted average				Weighted average				Weighted average
	Options		exercise price		Options		exercise price		Options		exercise price
Outstanding, beginning of year		20,400	$	14.39		12,000	$	6.55		24,000	$	5.15
Granted		—		—		9,600	$	22.93		—		—
Forfeited/Lapsed		—		—		—		—		(9,600)	$	3.59
Exercised		—		—		(1,200)	$	4.35		(2,400)	$	4.35
Outstanding, end of period		20,400	$	14.39		20,400	$	14.39		12,000	$	6.55
Exercisable, end of period		13,920	$	10.99		11,280	$	8.92		6,240	$	6.04
Weighted average fair value at grant date of options granted		n/a			$	12.58				n/a
Total intrinsic value of options exercised		n/a			$	19,000			$	31,000
Total intrinsic value of options outstanding	$	413,000			$	149,000			$	140,000
Total intrinsic value of options exercisable	$	329,000			$	136,000			$	76,000

Schedule of options outstanding

	Options outstanding				Options exercisable
		Weighted average	Weighted			Weighted
	Number	remaining	average exercise		Number	average exercise
Range of exercise prices	outstanding	contractual life	price		exercisable	price
$4.35 - $22.93	20,400	6.65	$	14.39	13,920	$	10.99
	20,400	6.65	$	14.39	13,920	$	10.99

2018 Non-Employee Stock Option Plan

Stock Option

Schedule of fair value and valuation assumptions

	2023	2022		2021
Risk-free interest rates	n/a	1.68	%	n/a
Expected lives	n/a	6.18 Years		n/a
Expected volatility	n/a	43	%	n/a
Expected dividend yields	n/a	0	%	n/a

Schedule of plan activity

	2023				2022				2021
			Weighted average				Weighted average				Weighted average
	Options		exercise price		Options		exercise price		Options		exercise price
Outstanding, beginning of year		89,000	$	14.91		70,100	$	11.93		96,800	$	11.74
Granted		—		—		23,500	$	22.93		—		—
Forfeited/Lapsed		—		—		—		—		(23,500)		11.68
Exercised		(14,000)	$	15.32		(4,600)	$	10.43		(3,200)		8.10
Outstanding, end of period		75,000	$	14.83		89,000	$	14.91		70,100	$	11.93
Exercisable, end of period		50,720	$	12.87		45,040	$	12.98		29,960	$	11.68
Weighted average fair value at grant date of options granted		n/a			$	12.58				n/a
Total intrinsic value of options exercised	$	209,000			$	58,000			$	29,000
Total intrinsic value of options outstanding	$	1,486,000			$	561,000			$	439,000
Total intrinsic value of options exercisable	$	1,104,000			$	354,000			$	195,000

Schedule of options outstanding

	Options outstanding				Options exercisable
		Weighted average	Weighted			Weighted
	Number	remaining	average exercise		Number	average exercise
Range of exercise prices	outstanding	contractual life	price		exercisable	price
$8.10 - $22.93	75,000	6.76	$	14.83	50,720	$	12.87
	75,000	6.76	$	14.83	50,720	$	12.87

2020 Non-Employee Stock Option Plan

Stock Option

Schedule of fair value and valuation assumptions

	2023		2022		2021
Risk-free interest rates	3.03 - 3.40	%	1.68	%	0.62	%
Expected lives	7.23 - 7.27 Years		6.18 Years		10 Years
Expected volatility	43	%	43	%	45	%
Expected dividend yields	0	%	0	%	0	%

Schedule of plan activity

	2023				2022				2021
			Weighted average				Weighted average				Weighted average
	Options		exercise price		Options		exercise price		Options		exercise price
Outstanding, beginning of year		26,900	$	18.64		10,000	$	11.40		—		—
Granted		30,000	$	27.57		16,900	$	22.93		10,000	$	11.40
Forfeited/Lapsed		—		—		—		—		—		—
Exercised		—		—		—		—		—		—
Outstanding, end of period		56,900	$	23.35		26,900	$	18.64		10,000	$	11.40
Exercisable, end of period		18,760	$	20.73		7,380	$	16.68		2,000	$	11.40
Weighted average fair value at grant date of options granted	$	13.74			$	12.58			$	6.10
Total intrinsic value of options exercised		n/a				n/a				n/a
Total intrinsic value of options outstanding	$	643,000			$	92,000			$	68,000
Total intrinsic value of options exercisable	$	261,000			$	37,000			$	14,000

Schedule of options outstanding

	Options outstanding				Options exercisable
		Weighted average
	Number	remaining	Weighted average		Number	Weighted average
Range of exercise prices	outstanding	contractual life	exercise price		exercisable	exercise price
$11.40 - $30.71	56,900	8.59	$	23.35	18,760	$	20.73
	56,900	8.59	$	23.35	18,760	$	20.73

2022 Employee Stock Option Plan

Stock Option

Schedule of fair value and valuation assumptions

	2023
Risk-free interest rates	3.84	%
Expected lives	7.28 Years
Expected volatility	45	%
Expected dividend yields	0.62	%

Schedule of plan activity

	2023
			Weighted average
	Options		exercise price
Outstanding, beginning of year		—		—
Granted		5,000	$	40.01
Forfeited/Lapsed		—		—
Exercised		—		—
Outstanding, end of period		5,000	$	40.01
Exercisable, end of period		1,000	$	40.01
Weighted average fair value at grant date of options granted	$	19.77
Total intrinsic value of options exercised		n/a
Total intrinsic value of options outstanding	$	—
Total intrinsic value of options exercisable	$	—

Schedule of options outstanding

	Options outstanding				Options exercisable
		Weighted average
	Number	remaining	Weighted average		Number	Weighted average
Range of exercise prices	outstanding	contractual life	exercise price		exercisable	exercise price
$40.01	5,000	9.95	$	40.01	1,000	$	40.01
	5,000	9.95	$	40.01	1,000	$	40.01