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Stockholders' Equity (Tables) | 9 Months Ended
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Mar. 31, 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 March 31, |  | Nine Months Ended March 31,
​ | ​ | 2020 |  | 2021 |  | 2020 |  | 2021
Cost of goods sold | ​ | $ | 189 | ​ | $ | 199 | ​ | $ | 517 | ​ | $ | 571
Selling, general and administrative | ​ |  | 5,520 | ​ | ​ | 7,223 | ​ |  | 17,153 | ​ |  | 18,391
Research and development | ​ |  | 128 | ​ | ​ | 143 | ​ |  | 427 | ​ |  | 424
Stock-based compensation expense | ​ | $ | 5,837 | ​ | $ | 7,565 | ​ | $ | 18,097 | ​ | $ | 19,386
​
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, 2020 |  | 326,304 |  | $ | 44.41 |  | ​ | ​ | ​ | ​
Granted |  | 22,171 | ​ | ​ | 82.17 | ​ | ​ | ​ | ​ | ​
Exercised |  | (87,235) | ​ | ​ | 34.44 | ​ | ​ | ​ | ​ | ​
Expired or forfeited |  | (2,710) | ​ | ​ | 78.71 | ​ | ​ | ​ | ​ | ​
Outstanding at March 31, 2021 |  | 258,530 | ​ | ​ | 50.65 | ​ | 2.8 years | ​ | $ | 11,818
Exercisable at March 31, 2021 | ​ | 222,512 | ​ | ​ | 45.03 |  | 1.8 years | ​ | ​ | 11,387
​
Summary of RSU award activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted-
​ | ​ | ​ | ​ | Average
​ |  | Shares |  | Fair Value
Nonvested at June 30, 2020 |  | 423,590 | ​ | $ | 88.68
Granted |  | 337,778 | ​ | ​ | 80.32
Vested |  | (310,939) | ​ | ​ | 86.20
Forfeited |  | (8,244) | ​ | ​ | 84.47
Nonvested at March 31, 2021 |  | 442,185 | ​ | $ | 84.12
​

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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