Stock-Based Compensation (Tables)

12 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Stock option activity

	Number of Options	Weighted Average Exercise Price
Options outstanding at June 30, 2017	78,201	$	9.07
Exercised	(55,880)	$	9.20
Options outstanding at June 30, 2018	22,321	$	8.75
Exercised	(22,321)	$	8.75
Options outstanding at June 30, 2019	—	$	—
Granted	45,186	$	38.13
Forfeited	(2,658)	$	38.13
Options outstanding at June 30, 2020	42,528	$	38.13

Restricted stock award activity

	Number of Shares	Weighted Average Grant Date Fair Value
Outstanding at June 30, 2017	486,584	$	21.26
Granted	290,856	$	27.93
Forfeited	(68,499)	$	22.76
Vested	(253,725)	$	22.87
Outstanding at June 30, 2018	455,216	$	24.77
Granted	262,727	$	35.53
Forfeited	(27,143)	$	29.05
Vested	(215,855)	$	23.23
Outstanding at June 30, 2019	474,945	$	31.36
Granted	195,231	$	46.32
Forfeited	(22,977)	$	36.75
Vested	(213,132)	$	29.77
Outstanding at June 30, 2020	434,067	$	38.34

Aggregate maximum performance-based restricted stock awards granted

Performance Measurement	2020	2019	2018
Total shareholder return	207,891	225,325	278,889

Performance-based restricted stock award activity

	Number of Shares	Weighted Average Grant Date Fair Value
Outstanding at June 30, 2017	318,584	$	11.97
Granted	278,889	$	13.63
Forfeited	(66,295)	$	13.17
Outstanding at June 30, 2018	531,178	$	12.69
Granted	225,325	$	22.33
Forfeited	(2,631)	$	18.64
Outstanding at June 30, 2019	753,872	$	15.20
Granted	207,891	$	30.45
Forfeited	(25,948)	$	16.48
Vested	(275,193)	$	11.97
Outstanding at June 30, 2020	660,622	$	21.69

Restricted stock unit activity

	Number of Shares	Weighted Average Grant Date Fair Value
Restricted stock units outstanding at June 30, 2017	349,430	$	14.73
Granted	28,364	$	31.02
Converted to common stock	(41,925)	$	16.07
Restricted stock units outstanding at June 30, 2018	335,869	$	15.94
Granted	21,162	$	38.28
Converted to common stock	(2,855)	$	21.01
Restricted stock units outstanding at June 30, 2019	354,176	$	17.23
Granted	20,689	$	46.50
Converted to common stock	(125,352)	$	17.65
Forfeited	(2,316)	$	46.97
Restricted stock units outstanding at June 30, 2020	247,197	$	19.19

Stock-based compensation expense

Year Ended June 30, 2020	Restricted Stock Awards & Options		Restricted Stock Units		Employee Stock Purchase Plan		Total
Cost of goods sold	$	564	$	—	$	62	$	626
Selling, general and administrative	9,511		865		878		11,254
Research and development	1,554		—		178		1,732
Total stock-based compensation expense	$	11,629	$	865	$	1,118	$	13,612

Year Ended June 30, 2019	Restricted Stock Awards		Restricted Stock Units		Employee Stock Purchase Plan		Total
Cost of goods sold	$	281	$	—	$	65	$	346
Selling, general and administrative	7,899		810		905		9,614
Research and development	1,136		—		170		1,306
Total stock-based compensation expense	$	9,316	$	810	$	1,140	$	11,266

Year Ended June 30, 2018	Restricted Stock Awards		Restricted Stock Units		Employee Stock Purchase Plan		Total
Cost of goods sold	$	207	$	—	$	68	$	275
Selling, general and administrative	7,462		750		848		9,060
Research and development	817		—		150		967
Total stock-based compensation expense	$	8,486	$	750	$	1,066	$	10,302