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Income Taxes (Tables)

12 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Schedule of Components of Income Taxes

The components of income before income taxes are (in thousands):

			Year ended September 30,
			2021						2020						2019
United States			$	5,380					$	3,756					$	7,981
International			3,619						3,707						3,164
Income before income taxes			$	8,999					$	7,463					$	11,145

Schedule of Components of Income Tax Provision

The components of the income tax (benefit) expense are (in thousands):

			Year ended September 30,
			2021						2020						2019
Current:
Federal			$	1,388					$	709					$	950
State			242						572						290
Foreign			1,678						1,128						746
Deferred:
Federal			(3,627)						(2,911)						(825)
State			(618)						—						—
Foreign			(430)						(446)						26
Income tax (benefit) expense			$	(1,367)					$	(948)					$	1,187

Schedule of Net Deferred Tax Asset

Net deferred tax (liability) asset consists of (in thousands):

			As of September 30,
			2021						2020
Non-current deferred tax asset			$	439					$	389
Non-current deferred tax liability			(13,493)						(17,171)
Net deferred tax liability			$	(13,054)					$	(16,782)
Depreciation and amortization			$	(1,399)					$	(1,037)
Lease asset			(3,683)						(3,415)
Lease liability			4,941						4,477
Inventories			755						979
Compensation costs			4,064						3,698
Other accruals			6,387						3,985
Tax credit carryforwards			3,026						6,021
Valuation allowance			(2,186)						(4,372)
Identifiable intangible assets			(24,959)						(27,118)
Net deferred tax (liability) asset			$	(13,054)					$	(16,782)

Schedule of Effective Income Tax Rate Reconciliation

The reconciliation of the statutory federal income tax amount to our income tax (benefit) expense is (in thousands):

			Year ended September 30,
			2021						2020						2019
Statutory income tax amount			$	1,890					$	1,567					$	2,341
Increase (decrease) resulting from:
State taxes, net of federal benefits			319						392						196
Transaction costs			60						143						—
Employee stock purchase plan			79						127						59
Foreign operations			556						431						225
Non-deductible executive compensation			150						115						171
Change in valuation allowance			(2,187)						173						520
Capital Loss Expiration			2,301						—						—
Utilization of research and development tax credits			(3,116)						(2,881)						(2,173)
Deferred balance sheet remeasure			(952)						—						9
ASU 2016-09 excess stock compensation			(1,131)						(673)						(56)
Contingent consideration			1,212						(27)						250
Changes from provision to return			(458)						(111)						(511)
Adjustment of tax contingency reserves			329						151						146
U.S. deduction for foreign export sales			(630)						(355)						(146)
Global intangible low-taxed income			33						31						162
Other, net			178						(31)						(6)
Income tax (benefit) expense			$	(1,367)					$	(948)					$	1,187

Schedule of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is (in thousands):

			Year ended September 30,
			2021						2020						2019
Unrecognized tax benefits at beginning of fiscal year			$	2,600					$	1,713					$	1,561
Increases related to:
Prior year income tax positions			40						756						9
Current year income tax positions			507						425						314
Decreases related to:
Prior year income tax positions			(155)						—						(34)
Settlements			—						(7)						—
Expiration of statute of limitations			(84)						(287)						(137)
Unrecognized tax benefits at end of fiscal year			$	2,908					$	2,600					$	1,713

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure of the change in unrecognized tax benefits, excluding amounts pertaining to examined tax returns.

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