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Inventories | 12 Months Ended
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Jun. 30, 2022
Inventories |
Inventories | NOTE 5 - Inventories Inventories, net of reserves are valued at lower of cost (first-in, first-out method) or net realizable value. Inventories, net of reserves consist of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, |  | June 30,
​ | ​ | 2022 | ​ | 2021
Component parts | ​ | $ | 32,656 | ​ | $ | 17,245
Work-in-process | ​ |  | 10,085 | ​ |  | 6,158
Finished product | ​ |  | 7,045 | ​ |  | 8,297
​ | ​ | $ | 49,786 | ​ | $ | 31,700
​ | ​ | ​ | ​ | ​ | ​ | ​
Classification of inventories, net of reserves: | ​ |  |  | ​ |  |
Current | ​ | $ | 40,781 | ​ | $ | 24,933
Non-current | ​ |  | 9,005 | ​ |  | 6,767
​ | ​ | $ | 49,786 | ​ | $ | 31,700
​ The following table represents the Inventory obsolescence and net realizable value inventory reserves as of the respective years ending June 30: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Balance at beginning of period |  | Charged to costs and expenses |  | Deductions/ (recoveries) |  | Balance at end of period
For the Year Ended June 30, 2020: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Inventory obsolescence and net realizable value reserve | ​ | $ | 2,289 | ​ | $ | 624 | ​ | $ | — | ​ | $ | 2,913
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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
​

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI https://asc.fasb.org/topic&trid=2126998 + Details
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