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Inventories (Tables) | 12 Months Ended
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Jun. 30, 2023
Inventories |
Schedule of inventory | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, |  | June 30,
​ | ​ | 2023 | ​ | 2022
Component parts | ​ | $ | 29,939 | ​ | $ | 32,656
Work-in-process | ​ |  | 7,726 | ​ |  | 10,085
Finished product | ​ |  | 10,684 | ​ |  | 7,045
​ | ​ | $ | 48,349 | ​ | $ | 49,786
​ | ​ | ​ | ​ | ​ | ​ | ​
Classification of inventories, net of reserves: | ​ |  |  | ​ |  |
Current | ​ | $ | 35,062 | ​ | $ | 40,781
Non-current | ​ |  | 13,287 | ​ |  | 9,005
​ | ​ | $ | 48,349 | ​ | $ | 49,786
Schedule of the inventory obsolescence and net realizable value inventory reserves | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Balance at beginning of period |  | Charged to costs and expenses |  | Deductions/ (recoveries) |  | Balance at end of period
For the Year Ended June 30, 2021: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Inventory obsolescence and net realizable value reserve | ​ | $ | 2,913 | ​ | $ | — | ​ | $ | (79) | ​ | $ | 2,834
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
For the Year Ended June 30, 2022: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Inventory obsolescence and net realizable value reserve | ​ | $ | 2,834 | ​ | $ | 1,187 | ​ | $ | — | ​ | $ | 4,021
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
For the Year Ended June 30, 2023: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Inventory obsolescence and net realizable value reserve | ​ | $ | 4,021 | ​ | $ | 460 | ​ | $ | (905) | ​ | $ | 3,576

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