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Stockholders' Equity (Tables)
3 Months Ended
Sep. 30, 2019
Stockholders' Equity  
Schedule of stock-based compensation expense in the consolidated statement of operations

We recorded stock-based compensation expense in the consolidated statement of operations as follows (in thousands):

Three Months Ended September 30, 

    

2018

    

2019

Cost of goods sold

$

207

$

171

Selling, general and administrative

 

5,111

 

6,085

Research and development

 

145

 

160

Stock-based compensation expense

$

5,463

$

6,416

Summary of stock option activity

Weighted Average

Weighted-Average

Aggregate

Number of

Exercise

Remaining Contractual

Intrinsic Value

    

Options

    

Price

    

Term

    

(in thousands)

Outstanding at June 30, 2019

 

515,884

 

$

33.74

Granted

 

 

Exercised

 

(167,306)

 

16.92

Expired or forfeited

 

 

Outstanding at September 30, 2019

 

348,578

 

41.81

 

2.8 years

$

20,829

Exercisable at September 30, 2019

 

314,261

37.82

 

2.2 years

20,030

Summary of RSU award activity

Weighted-

Average

    

Shares

    

Fair Value

Nonvested at June 30, 2019

 

521,140

$

73.97

Granted

 

272,489

86.98

Vested

 

(360,866)

68.11

Forfeited

 

(4,041)

77.57

Nonvested at September 30, 2019

 

428,722

87.14