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Income Taxes (Tables)
12 Months Ended
Sep. 30, 2024
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Taxes
The components of income before income taxes are (in thousands):
Year ended September 30,
202420232022
United States$19,088 $21,149 $13,220 
International3,770 3,769 5,408 
Income before income taxes$22,858 $24,918 $18,628 
Schedule of Components of Income Tax Provision
The components of the income tax expense are (in thousands):
Year ended September 30,
202420232022
Current:
Federal$9,149 $9,894 $281 
State1,995 1,955 766 
Foreign832 598 1,277 
Deferred:
Federal(11,189)(12,131)(2,982)
Foreign(434)(168)(97)
Income tax (benefit) expense$353 $148 $(755)
Schedule of Net Deferred Tax Asset
Net deferred tax liability consists of (in thousands):
As of September 30,
20242023
Non-current deferred tax asset$16,141 $4,884 
Non-current deferred tax liability(1,308)(1,812)
Net deferred tax asset (liability)$14,833 $3,072 
Depreciation and amortization$(4,735)$(3,362)
Lease asset(2,283)(2,866)
Lease liability3,183 3,897 
Inventories6,614 6,407 
Compensation costs5,552 5,559 
Deferred Revenue7,595 5,687 
Other accruals5,805 3,324 
Tax credit carryforwards3,854 3,867 
Valuation allowance(3,317)(3,254)
Identifiable intangible assets(25,533)(25,276)
Research and development costs18,098 9,089 
Net deferred tax asset (liability)$14,833 $3,072 
Schedule of Effective Income Tax Rate Reconciliation
The reconciliation of the statutory federal income tax amount to our income tax benefit is (in thousands):
Year ended September 30,
202420232022
Statutory income tax amount$4,800 $5,233 $3,912 
Increase (decrease) resulting from:
State taxes, net of federal benefits401 636 85 
Transaction costs— — 
Employee stock purchase plan159 165 98 
Foreign operations1,751 984 1,552 
Non-deductible executive compensation519 373 291 
Utilization of research and development tax credits(5,224)(4,678)(2,780)
ASU 2016-09 excess stock compensation(47)(1,678)(2,967)
Contingent consideration— — (1,239)
Changes from provision to return(791)181 413 
Adjustment of tax contingency reserves491 238 417 
U.S. deduction for foreign export sales(1,827)(1,419)(584)
Other, net121 113 45 
Income tax (benefit) expense$353 $148 $(755)
Schedule of Unrecognized Tax Benefits Roll Forward
A reconciliation of the beginning and ending amount of unrecognized tax benefits is (in thousands):
Year ended September 30,
202420232022
Unrecognized tax benefits at beginning of fiscal year$3,162 $3,316 $2,908 
Increases related to:
Prior year income tax positions71 100 — 
Current year income tax positions768 858 524 
Decreases related to:
Prior year income tax positions— (159)(21)
Expiration of statute of limitations(399)(953)(95)
Unrecognized tax benefits at end of fiscal year$3,602 $3,162 $3,316