XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.24.2

Note 10 - Business Segment Information - Revenue by Business Segment Sector (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Revenues | $ 42,983 | $ 42,692 | $ 84,910 | $ 74,608
UNITED STATES |  |  |  |
Revenues | $ 23,399 | $ 21,339 | $ 47,860 | $ 37,984
Revenue, percentage | 54.00% | 50.00% | 56.00% | 51.00%
Non-US [Member] |  |  |  |
Revenues | $ 19,584 | $ 21,353 | $ 37,050 | $ 36,624
Revenue, percentage | 46.00% | 50.00% | 44.00% | 49.00%
Commercial [Member] |  |  |  |
Revenues | $ 27,664 | $ 26,950 | $ 51,804 | $ 49,169
Revenue, percentage | 64.00% | 63.00% | 61.00% | 66.00%
Government & Defense [Member] |  |  |  |
Revenues | $ 15,319 | $ 15,742 | $ 33,106 | $ 25,439
Revenue, percentage | 36.00% | 37.00% | 39.00% | 34.00%
Battery & Energy Products Segment [Member] |  |  |  |
Revenues | $ 36,683 | $ 33,861 | $ 71,672 | $ 62,331
Battery & Energy Products Segment [Member] | UNITED STATES |  |  |  |
Revenues | 19,412 | 17,394 | 39,015 | 31,162
Battery & Energy Products Segment [Member] | Non-US [Member] |  |  |  |
Revenues | 17,271 | 16,467 | 32,657 | 31,169
Battery & Energy Products Segment [Member] | Commercial [Member] |  |  |  |
Revenues | 27,664 | 26,950 | 51,804 | 49,169
Battery & Energy Products Segment [Member] | Government & Defense [Member] |  |  |  |
Revenues | 9,019 | 6,911 | 19,868 | 13,162
Communications Systems Segment [Member] |  |  |  |
Revenues | 6,300 | 8,831 | 13,238 | 12,277
Communications Systems Segment [Member] | UNITED STATES |  |  |  |
Revenues | 3,987 | 3,945 | 8,845 | 6,822
Communications Systems Segment [Member] | Non-US [Member] |  |  |  |
Revenues | 2,313 | 4,886 | 4,393 | 5,455
Communications Systems Segment [Member] | Commercial [Member] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Communications Systems Segment [Member] | Government & Defense [Member] |  |  |  |
Revenues | $ 6,300 | $ 8,831 | $ 13,238 | $ 12,277

X
- Definition The percentage of total revenue for the period. + References No definition available. + Details
Name: | ulbi_RevenueTotalPercentage
Namespace Prefix: | ulbi_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (ee) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 5: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-40 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-4 + Details
Name: | us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=us-gaap_NonUsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=ulbi_CommercialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=ulbi_GovernmentDefenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ulbi_BatteryEnergyProductsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ulbi_CommunicationsSystemsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |