Stock Options and Restricted Stock Awards (Tables)

12 Months Ended

Jun. 30, 2017

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

Stock option activity

	Number of Options		Weighted Average Exercise Price
Options outstanding at June 30, 2014	922,809		$	10.16
Exercised	(222,937	)	$	9.65
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

Restricted stock award activity

	Number of Shares		Weighted Average Grant Date Fair Value
Outstanding at June 30, 2014	1,169,266		$	18.96
Granted	362,072		$	30.30
Forfeited	(119,081	)	$	21.43
Vested	(569,163	)	$	16.46
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

Aggregate maximum performance-based restricted stock awards granted

Performance Measurement	2017	2016	2015
Total shareholder return	336,826	156,509	76,112
Annual revenue growth	N/A	156,509	76,112

Performance-based restricted stock award achievement

	Total Shareholder Return			Annual Revenue Growth
	% Achievement		Shares Vested	% Achievement		Shares Vested
Fiscal 2015	69	%	26,339	200	%	76,112
Fiscal 2016	—	%	0	—	%	0

Performance-based restricted stock award activity

	Number of Shares		Weighted Average Grant Date Fair Value
Outstanding at June 30, 2014	107,132		$	14.68
Granted	152,224		$	22.03
Vested	(107,132	)	$	14.68
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

Restricted stock unit activity

	Number of Shares		Weighted Average Grant Date Fair Value
Restricted stock units outstanding at June 30, 2014	296,131		$	10.09
Granted	41,172		$	29.57
Converted to common stock	(74,360	)	$	11.90
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

Stock-based compensation expense

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

Year Ended June 30, 2015	Restricted Stock Awards		Employee Stock Purchase Plan		Restricted Stock Units		Total
Cost of goods sold	$	937	$	64	$	—	$	1,001
Selling, general and administrative	10,486		825		917		12,228
Research and development	1,388		101		—		1,489
Total stock-based compensation expense	$	12,811	$	990	$	917	$	14,718

Shares available for grant

Shares available for grant at June 30, 2014	—
Reserved	2,030,000
Granted	(171,411	)
Forfeited or cancelled	5,866
Shares available for grant at June 30, 2015	1,864,455
Granted	(883,019	)
Forfeited or cancelled	133,499
Shares available for grant at June 30, 2016	1,114,935
Granted	(649,236	)
Forfeited or cancelled	415,700
Shares available for grant at June 30, 2017(a)	881,399

(a) Excludes the effect of shares granted, exercised, forfeited or expired related to activity from shares granted outside of the 2014 Plan.