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Organization and Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2023
Organization and Summary of Significant Accounting Policies |
Schedule of weighted average number of shares outstanding and earnings per share | The calculation of the weighted average number of shares outstanding and earnings per share are as follows (in thousands except per share data): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
Numerator for basic and diluted earnings per share: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Net income | ​ | $ | 12,420 | ​ | $ | 50,962 | ​ | $ | 57,559 | ​ | $ | 105,833
Denominator: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Weighted average shares outstanding | ​ |  | 74,224 | ​ |  | 71,040 | ​ |  | 73,435 | ​ |  | 70,995
Dilutive effect of stock-based awards | ​ |  | 1,556 | ​ |  | 1,243 | ​ |  | 1,399 | ​ |  | 1,321
Diluted weighted average shares outstanding | ​ |  | 75,780 | ​ |  | 72,283 | ​ |  | 74,834 | ​ |  | 72,316
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income per common share: | ​ |  | ​ | ​ |  | ​ | ​ |  |  | ​ |  |
Basic | ​ | $ | 0.17 | ​ | $ | 0.72 | ​ | $ | 0.78 | ​ | $ | 1.49
Diluted | ​ | $ | 0.16 | ​ | $ | 0.71 | ​ | $ | 0.77 | ​ | $ | 1.46
Schedule of potentially dilutive securities excluded in calculation of diluted net income per share | Potentially dilutive securities that are not included in the calculation of diluted net income per share because doing so would be antidilutive are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
Stock-based awards | ​ |  | 129 | ​ |  | 2,991 | ​ |  | 135 | ​ |  | 2,912
2027 Notes | ​ |  | 3,017 | ​ |  | — | ​ |  | 3,017 | ​ |  | —
2027 Warrants | ​ |  | 3,017 | ​ |  | — | ​ |  | 3,017 | ​ |  | —
Total potentially dilutive securities | ​ | ​ | 6,163 | ​ |  | 2,991 | ​ |  | 6,169 | ​ |  | 2,912
Summary of changes in our estimated warranty reserve | Changes in our estimated product warranty liabilities were as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended June 30,
​ |  | 2023 | ​ | 2022
Balance, beginning of period | ​ | $ | 811 | ​ | $ | 2,822
Utilization of reserve | ​ |  | (514) | ​ |  | (1,574)
Warranty expense | ​ |  | 3,143 | ​ |  | 380
Balance, end of period | ​ | $ | 3,440 | ​ | $ | 1,628

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-8 + Details
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