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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2025
Accounting Policies [Abstract] |
Accounts Receivable, Allowance for Credit Loss | The following table presents a reconciliation of the allowance for credit losses (in thousands):
|  | Year ended September 30,
|  | 2025 |  | 2024
Balance at beginning of period |  | $ | 1,562 |  |  | $ | 1,693 |
Additions |  | 6,691 |  |  | 2,090 |
Uncollectible accounts charged to allowance, net of recoveries |  | (1,836) |  |  | (2,221) |
Balance at end of period |  | $ | 6,417 |  |  | $ | 1,562 |
Schedule of Calculation of Numerator and Denominator in Earnings Per Share | The following table is a reconciliation of the numerators and denominators in the net income per common share calculations (in thousands, except per common share data):
| Year ended September 30,
| 2025 |  | 2024 |  | 2023
Numerator: |  |  |  |  |
Net income | $ | 40,804 |  |  | $ | 22,505 |  |  | $ | 24,770 |
Denominator: |  |  |  |  |
Denominator basic net income per common share — weighted average shares outstanding | 36,959 |  |  | 36,316 |  |  | 35,820 |
Effect of dilutive securities: |  |  |  |  |
Stock options and restricted stock units | 780 |  |  | 668 |  |  | 1,049 |
Denominator diluted net income per common share — adjusted weighted average shares | 37,739 |  |  | 36,984 |  |  | 36,869 |
Net income per common share, basic | $ | 1.10 |  |  | $ | 0.62 |  |  | $ | 0.69 |
Net income per common share, diluted | $ | 1.08 |  |  | $ | 0.61 |  |  | $ | 0.67 |

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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