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Note 2 - Acquisition (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] |
Accounts receivable |  | $ | 5,270 |
Inventories |  |  | 9,172 |
Prepaid expenses and other current assets |  |  | 251 |
Property, plant and equipment |  |  | 20,735 |
Goodwill |  |  | 7,558 |
Other intangible assets |  |  | 10,500 |
Other noncurrent assets |  |  | 237 |
Accounts payable |  |  | (2,231 | )
Accrued compensation and related benefits |  |  | (1,561 | )
Accrued expenses and other current liabilities |  |  | (904 | )
Deferred tax liability, net |  |  | (748 | )
Other noncurrent liabilities |  |  | (257 | )
Net assets acquired |  | $ | 48,022 |
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Annual Amortization |
|  | Estimated Fair Value |  |  | Amortization Period (Years) |  |  | Year 1 |  |  | Year 2 |  |  | Year 3 |  |  | Year 4 |  |  | Year 5 |
Trade name |  | $ | 5,300 |  |  |  | 15 |  |  | $ | 353 |  |  | $ | 353 |  |  | $ | 353 |  |  | $ | 353 |  |  | $ | 353 |
Customer relationships |  |  | 5,100 |  |  |  | 15 |  |  |  | 340 |  |  |  | 340 |  |  |  | 340 |  |  |  | 340 |  |  |  | 340 |
Patents and technology |  |  | 100 |  |  |  | 5 |  |  |  | 20 |  |  |  | 20 |  |  |  | 20 |  |  |  | 20 |  |  |  | 20 |
Total |  | $ | 10,500 |  |  |  |  |  |  | $ | 713 |  |  | $ | 713 |  |  | $ | 713 |  |  | $ | 713 |  |  | $ | 713 |
Business Acquisition, Pro Forma Information [Table Text Block] |
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Revenue |  | $ | 188,724 |  |  | $ | 197,777 |
Operating income |  |  | 9,139 |  |  |  | 7,350 |
Net income attributable to Ultralife Corporation |  |  | 3,618 |  |  |  | 2,780 |
Net income per share attributable to Ultralife Corporation: |  |  |  |  |  |  |  |
Basic |  | $ | .22 |  |  | $ | .17 |
Diluted |  | $ | .22 |  |  | $ | .17 |

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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
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