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v3.19.3.a.u2

Inventories (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Components of inventories |  |
Total | $ 60,500 | $ 58,215
Reserve for obsolete and excess inventory | (4,595) | (5,328)
Inventories, net | $ 55,905 | $ 52,887

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