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Inventories (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Jun. 30, 2021
--- | --- | ---
Inventories |  |
Component parts | $ 20,851 | $ 17,929
Work-in-process | 7,162 | 6,158
Finished product | 9,717 | 8,355
Inventory, net of reserves | 37,730 | 32,442
Current | 29,814 | 25,278
Non-current | 7,916 | 7,164
Total Inventory | $ 37,730 | $ 32,442

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