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Note 17 - Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Operating lease right-of-use assets | $ 21,551 | $ 21,252
Operating lease liability, current | 5,870 | 6,880
Operating lease liability, long-term | 15,742 | 14,668
Total operating lease liabilities | 21,612 | 21,548
Property, plant and equipment, gross | 145,224 | 148,062
Accumulated depreciation | (108,391) | (109,852)
Property, plant and equipment, net | 36,833 | 38,210
Total finance lease liabilities | 2,054 |
Other Liabilities [Member] |  |
Total operating lease liabilities | 21,612 |
Other current liabilities | 446 | 363
Other long-term liabilities | 1,608 | 1,650
Total finance lease liabilities | 2,054 | 2,013
Assets under Finance Lease [Member] |  |
Property, plant and equipment, gross | 3,096 | 2,719
Accumulated depreciation | (1,089) | (690)
Property, plant and equipment, net | $ 2,007 | $ 2,029

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