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Note 10 - Business Segment Information - Segment Activity (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
Segment contribution | 3,917 | 3,665 | 7,980 | 3,691
Other income (expense) | (71) | 1,058 | (527) | 564
Income tax provision (benefit) | (853) | (1,375) | (1,556) | (1,242)
Non-controlling interest | (24) | (8) | (37) | (19)
Net loss attributable to Ultralife | 2,969 | 3,340 | 5,860 | 2,994
Battery & Energy Products Segment [Member] |  |  |  |
Revenues | 36,683 | 33,861 | 71,672 | 62,331
Segment contribution | 9,953 | 7,543 | 18,939 | 14,055
Communications Systems Segment [Member] |  |  |  |
Revenues | 6,300 | 8,831 | 13,238 | 12,277
Segment contribution | 1,610 | 3,045 | 4,094 | 3,969
Corporate Segment [Member] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Segment contribution | (7,646) | (6,923) | (15,053) | (14,333)
Other income (expense) | (71) | 1,058 | (527) | 564
Income tax provision (benefit) | (853) | (1,375) | (1,556) | (1,242)
Non-controlling interest | $ (24) | $ (8) | $ (37) | $ (19)

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