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Note 2 - Significant Transactions (Details Textual) - GKE Acquisition [Member] - USD ($) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Oct. 16, 2023 | Jun. 30, 2024
Payments to Acquire Businesses, Gross | $ 87,187 |
Business Combination, Consideration Transferred, Liabilities Incurred | 9,200 |
Proceeds from Lines of Credit | $ 71,000 |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  | $ 6,254
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  | 3,820
Inventory Step-up Cost, Increase (Decrease) During Period |  | 778
General and Administrative Expense [Member] |  |
Amortization |  | 532
Cost of Revenues Related to Intangibles Acquired [Member] |  |
Amortization |  | $ 110
GKE GmbH and SAL GmbH [Member] |  |
Business Acquisition, Percentage of Voting Interests Acquired | 100.00% |
Beijing GKE Science & Technology Co. Ltd. [Member] |  |
Business Acquisition, Percentage of Voting Interests Acquired | 100.00% |

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- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-2 + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-2 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-2 + Details
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