Stock Options and Restricted Stock Awards (Tables)

12 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock option activity

	Number of Options		Weighted Average Exercise Price
Options outstanding at June 30, 2015	699,872		$	10.32
Exercised	(87,817	)	$	11.46
Forfeited or expired	(5,176	)	$	12.37
Options outstanding at June 30, 2016	606,879		$	10.14
Exercised	(519,297	)	$	10.33
Expired	(9,381	)	$	8.83
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

Restricted stock award activity

	Number of Shares		Weighted Average Grant Date Fair Value
Outstanding at June 30, 2015	843,094		$	25.16
Granted	522,415		$	19.30
Forfeited	(230,710	)	$	24.83
Vested	(487,226	)	$	22.27
Outstanding at June 30, 2016	647,573		$	23.24
Granted	258,346		$	21.80
Forfeited	(103,140	)	$	22.11
Vested	(316,195	)	$	24.21
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

Aggregate maximum performance-based restricted stock awards granted

Performance Measurement	2018	2017	2016
Total shareholder return	278,889	336,826	156,509
Annual revenue growth	N/A	N/A	156,509

Performance-based restricted stock award activity

	Number of Shares		Weighted Average Grant Date Fair Value
Outstanding at June 30, 2015	152,224		$	22.03
Granted	313,018		$	16.67
Forfeited	(52,680	)	$	28.64
Vested	(102,451	)	$	25.58
Outstanding at June 30, 2016	310,111		$	16.67
Granted	336,826		$	11.97
Forfeited	(328,353	)	$	16.41
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

Restricted stock unit activity

	Number of Shares		Weighted Average Grant Date Fair Value
Restricted stock units outstanding at June 30, 2015	262,943		$	12.62
Granted	47,586		$	22.27
Converted to common stock	(5,713	)	$	22.18
Restricted stock units outstanding at June 30, 2016	304,816		$	13.95
Granted	54,064		$	21.21
Forfeited	(2,974	)	$	21.01
Converted to common stock	(6,476	)	$	29.34
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

Stock-based compensation expense

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

Year Ended June 30, 2017	Restricted Stock Awards		Employee Stock Purchase Plan		Restricted Stock Units		Total
Cost of goods sold	$	588	$	101	$	—	$	689
Selling, general and administrative	6,568		1,065		1,024		8,657
Research and development	879		129		—		1,008
Total stock-based compensation expense	$	8,035	$	1,295	$	1,024	$	10,354

Year Ended June 30, 2016	Restricted Stock Awards		Employee Stock Purchase Plan		Restricted Stock Units		Total
Cost of goods sold	$	679	$	115	$	—	$	794
Selling, general and administrative	8,215		1,167		1,000		10,382
Research and development	1,681		120		—		1,801
Total stock-based compensation expense	$	10,575	$	1,402	$	1,000	$	12,977

Shares available for grant

Reserved	3,607,523
Transferred from 2014 Plan	(1,057,523	)
Granted	(81,060	)
Forfeited or cancelled	95,525
Shares available for grant at June 30, 2018	2,564,465