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Note 13 - Income Taxes (Tables)

12 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		Years ended September 30,
		2022				2021
Current tax provision
Federal		$	-			$	-
State			3				1
Foreign			70				-
Total current tax provision			73				1
Deferred provision
Federal			568				368
State			100				65
Total deferred provision			668				433
Provision for income taxes		$	741			$	434

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		Years ended September 30,
		2022				2021
Income taxes computed at the federal statutory rate		$	(3,314	)		$	239
Change in valuation allowance			1,065				435
Nondeductible compensation, interest expense and other			4,101				57
State income taxes, net of federal tax benefit			(859	)			210
Change in R&D credit carryover			(186	)			19
Stock options and other prior year true-ups			25				(175	)
Foreign rate differential			(1	)			(117	)
State business credit utilization			(90	)			(234	)
Provision (benefit) for income taxes		$	741			$	434

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		At September 30,
		2022				2021
Deferred tax assets
Net operating loss carryforwards		$	10,054			$	11,769
Research and development credit			4,712				5,479
Share-based compensation			688				538
Patents			2,331				8
Accruals and other			2,245				2,487
Allowances			280				237
Gross deferred tax assets			20,310				20,518
Deferred tax liabilities
Equipment			(313	)			(352	)
Operating ROU assets			(1,066	)			(1,222	)
Acquired intangible assets			(2,180	)			(2,592	)
Gross deferred tax liabilities			(3,559	)			(4,166	)
Less valuation allowance			(9,378	)			(8,313	)
Net deferred tax assets and liabilities		$	7,373			$	8,039

X

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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