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Stock-based Compensation Plans (Tables) | 9 Months Ended
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Jun. 30, 2022
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock-based Compensation Expenses | Stock-based compensation expense was reported as follows in the condensed consolidated statements of operations:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | June 30, |  |  | June 30, |
(In thousands) |  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Product costs |  | $ | 62 |  |  | $ | 23 |  |  | $ | 170 |  |  | $ | 92 |
Research and development |  |  | 355 |  |  |  | 329 |  |  |  | 1,086 |  |  |  | 918 |
Selling, general and administrative |  |  | 1,382 |  |  |  | 1,104 |  |  |  | 3,942 |  |  |  | 3,308 |
Total |  | $ | 1,799 |  |  | $ | 1,456 |  |  | $ | 5,198 |  |  | $ | 4,318 |
Summary of Stock Option Grant Activity | Stock option grant activity was as follows:
|  | Nine Months Ended June 30, |
|  | 2022 |  |  | 2021 |
Stock option grant activity: |  |  |  |  |  |  |  |
Stock options granted |  |  | 312,000 |  |  |  | 244,000 |
Weighted average grant date fair value |  | $ | 16.11 |  |  | $ | 14.08 |
Weighted average exercise price |  | $ | 42.78 |  |  | $ | 39.24 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + 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 (h)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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