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Note 7 - Operating Leases (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Lease, Cost [Table Text Block]

		Year ended December 31,
		2023				2022
Operating lease cost		$	1,016			$	894
Variable lease cost			114				95
Total lease cost		$	1,130			$	989

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

		Year ended December 31,
		2023				2022
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$	1,036			$	908
Right-of-use assets obtained in exchange for lease liabilities:		$	2,192			$	476

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

			December 31,
	Balance Sheet Classification		2023				2022
Assets:
Operating lease right-of-use asset	Other noncurrent assets		$	3,589			$	2,187
Liabilities:
Current operating lease liability	Accrued expenses and other current liabilities		$	894			$	895
Operating lease liability, net of current portion	Other noncurrent liabilities			2,644				1,307
Total operating lease liability			$	3,538			$	2,202
Weighted-average remaining lease term (years)				5.3				4.7
Weighted-average discount rate				4.5	%			4.5	%

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

Maturity of Operating Lease Liabilities
2024		$	894
2025			698
2026			624
2027			644
2028			648
Thereafter			463
Total lease payments		$	3,971
Less: Imputed interest			(433	)
Present value of remaining lease payments		$	3,538

X

- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	ulbi_
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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

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- 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

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- References

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