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Stockholders' Equity (Tables)
3 Months Ended
Sep. 30, 2021
Stockholders' Equity  
Schedule of stock-based compensation expense in the consolidated statements of operations

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

    

Three Months Ended September 30, 

2020

    

2021

Cost of goods sold

$

179

$

206

Selling, general and administrative

 

5,785

6,767

Research and development

 

145

140

Stock-based compensation expense

$

6,109

$

7,113

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, 2021

 

255,220

 

$

50.24

 

Granted

 

Exercised

 

(162,393)

34.08

Expired or forfeited

 

(383)

78.14

Outstanding at September 30, 2021

 

92,444

78.51

6.1 years

$

1,590

Exercisable at September 30, 2021

58,840

74.44

 

4.6 years

1,226

Summary of RSU award activity

Weighted-

Average

    

Shares

    

Fair Value

Nonvested at June 30, 2021

 

435,925

$

84.16

Granted

 

306,349

89.92

Vested

 

(310,077)

82.58

Forfeited

 

(1,548)

82.43

Nonvested at September 30, 2021

 

430,649

$

89.40