Note 6 - 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 income tax expense U.S.	$	—		$	—
Current income tax expense foreign		(7	)		20
Deferred income tax (benefit)		(228	)		(5	)
Provision for income taxes	$	(235	)	$	15

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Years Ended September 30,
	2022			2021
U.S.	$	(3,115	)	$	2,702
Foreign		(4,203	)		390
Income (Loss) before income taxes	$	(7,318	)	$	3,092

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

	Years Ended September 30,
	2022			2021
Income tax expense (benefit) at statutory rate	$	(1,537	)	$	649
State income tax expense		14			9
Foreign rate differential		(593	)		(31	)
PPP loan forgiveness		—			(488	)
Permanent differences, net		425			67
Expiration of net operating losses		3,129			3,945
Change in valuation allowance		(1,894	)		(4,255	)
Return to provision true-up		(13	)		166
Other		234			(47	)
Income tax (benefit) expense	$	(235	)	$	15

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

	September 30,
	2022			2021
Deferred tax assets:
Net operating loss and other carryforwards	$	15,189		$	16,893
Common stock options		1,038			1,003
Unearned revenue		271			343
Interest expense limitation		29			10
Lease liability		442			575
Other		310			330
Total deferred tax assets		17,279			19,154
Deferred tax liabilities:
ROU - Asset		(431	)		(570	)
Other		(252	)		(321	)
Total deferred tax liabilities		(683	)		(891	)
Net deferred tax asset		16,596			18,263
Valuation allowance		(16,321	)		(18,215	)
Net deferred tax asset	$	275		$	48