Stock Options (Tables)

9 Months Ended

Mar. 31, 2021

Fair Value Measurement Inputs and Valuation Techniques

	2021
Risk-free interest rates	0.62	%
Expected lives	10
Expected volatility	45	%
Expected dividend yields	0	%

2012 Employee Plan

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

	2020
Risk-free interest rates	1.30% - 2.10	%
Expected lives	10 years
Expected volatility	44-46	%
Expected dividend yields	0	%

Schedule of Share-based Compensation, Stock Options, Activity

	2021				2020
			Weighted average				Weighted average
	Options		exercise price		Options		exercise price
Outstanding, beginning of year		117,840	$	18.84		72,500	$	11.01
Granted		—		—		41,000		27.76
Exercised		(1,800)		11.39		(14,100)		7.57
Forfeited		(4,000)		8.15
Outstanding, end of period		112,040	$	19.34		99,400	$	18.41
Exercisable, end of period		44,600	$	15.84		36,900	$	13.27
Weighted average fair value at grant date of options granted		n/a			$	15.28
Total intrinsic value of options exercised	$	42,000				255,000
Total intrinsic value of options outstanding	$	1,735,000			$	241,000
Total intrinsic value of options exercisable	$	847,000			$	172,000

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

	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
$4.37‑$33.59	112,040	7.7	$	19.34	44,600	$	15.84

2012 Non-Employee Plan

Schedule of Share-based Compensation, Stock Options, Activity

	2021				2020
			Weighted average				Weighted average
	Options		exercise price		Options		exercise price
Outstanding, beginning of year		12,000	$	10.29		10,200	$	7.99
Granted		—		—		1,800		23.35
Exercised		(1,200)		8.70		—		—
Outstanding, end of period		10,800	$	10.47		12,000	$	10.29
Exercisable, end of period		7,320	$	9.15		5,760	$	8.35
Weighted average fair value at grant date of options granted		n/a				12.94
Total intrinsic value of options exercised	$	31,000				n/a
Total intrinsic value of options outstanding	$	263,000			$	73,000
Total intrinsic value of options exercisable	$	188,000			$	42,000

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

	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
$4.37 - $23.35	10,800	6.4	$	10.47	7,320	$	9.15

2018 Non-Employee Plan

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

	2020
Risk-free interest rates	1.60 - 1.80	%
Expected lives	10 years
Expected volatility	44 - 45	%
Expected dividend yields	—	%

Schedule of Share-based Compensation, Stock Options, Activity

	2021				2020
			Weighted average				Weighted average
	Options		exercise price		Options		exercise price
Outstanding, beginning of year		48,400	$	23.48		15,200	$	16.20
Granted		—		—		33,200		26.82
Exercised		(1,600)		16.20
Outstanding, end of period		46,800	$	23.73		48,400	$	23.48
Exercisable, end of period		20,480	$	23.08		12,240	$	21.96
Weighted average fair value at grant date of options granted		n/a			$	15.09
Total intrinsic value of options exercised	$	30,000				n/a
Total intrinsic value of options outstanding	$	519,000			$	—
Total intrinsic value of options exercisable	$	241,000			$	—

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

	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
$16.20-$30.54	46,800	8.4	$	23.73	20,480	$	23.08

2020 Non-Employee Plan

Schedule of Share-based Compensation, Stock Options, Activity

	2021
			Weighted average
	Options		exercise price
Outstanding, beginning of year		—		—
Granted		5,000	$	22.80
Exercised		—		—
Outstanding, end of period		5,000	$	22.80
Exercisable, end of period		1,000	$	22.80
Weighted average fair value at grant date of options granted	$	12.20
Total intrinsic value of options exercised		n/a
Total intrinsic value of options outstanding	$	60,000
Total intrinsic value of options exercisable	$	12,000

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

	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
$22.80	5,000	9.4	$	22.80	1,000	$	22.80