XML 32 R22.htm IDEA: XBRL DOCUMENT v3.25.3

Note 8 - Operating Leases (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Lease, Cost [Table Text Block]

		Three months ended								Nine months ended
		September 30, 2025				September 30, 2024				September 30, 2025				September 30, 2024
Operating lease cost			290			$	242			$	887			$	772
Variable lease cost			27				24				72				76
Total lease cost		$	317			$	266			$	959			$	848

Lessee, Lease, Cash Flow Information [Table Text Block]

		Nine-month period ended September 30,
		2025				2024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$	928			$	768
Right-of-use assets obtained in exchange for lease liabilities:		$	-			$	1,391

Lessee, Lease, Balance Sheet Information [Table Text Block]

	Balance sheet classification		September 30, 2025				December 31, 2024
Assets:
Operating lease right-of-use asset	Other noncurrent assets		$	3,509			$	4,153
Liabilities:
Current operating lease liability	Accrued expenses and other current liabilities		$	1,064			$	1,138
Operating lease liability, net of current portion	Other noncurrent liabilities			2,437				2,998
Total operating lease liability			$	3,501			$	4,136
Weighted-average remaining lease term (years)				3.8				4.5
Weighted-average discount rate				6.7	%			6.7	%

Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

Maturity of operating lease liabilities
2025		$	296
2026			1,053
2027			997
2028			982
2029			514
Thereafter			110
Total lease payments			3,952
Less: Imputed interest			(451	)
Present value of remaining lease payments		$	3,501

X

- Definition

Tabular disclosure of balance sheet information related lessee's lease .

+ References

No definition available.

+ Details

Name:	ulbi_LesseeLeaseBalanceSheetInformationTableTextBlock
Namespace Prefix:	ulbi_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of cash flow information related lessee's lease .

+ References

No definition available.

+ Details

Name:	ulbi_LesseeLeaseCashFlowInformationTableTextBlock
Namespace Prefix:	ulbi_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_LeaseCostTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration