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Revenue Recognition and Contracts with Customers (Tables) | 12 Months Ended
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Jun. 30, 2025
Revenue Recognition and Contracts with Customers |
Schedule of disaggregation of revenues | Following is the disaggregation of revenues based on major product lines (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fiscal year ended June 30,
​ |  | 2025 |  | 2024 |  | 2023
Major Product Lines: | ​ | ​ |  |  | ​ |  |  | ​ |
Intrusion and access alarm products | ​ | $ | 33,084 | ​ | $ | 39,372 | ​ | $ | 47,344
Door locking devices | ​ |  | 62,207 | ​ |  | 73,699 | ​ |  | 62,718
Services | ​ |  | 86,330 | ​ |  | 75,749 | ​ |  | 59,935
Total Revenues | ​ | $ | 181,621 | ​ | $ | 188,820 | ​ | $ | 169,997
Schedule of allowance for credit losses | The following table represents the allowance for credit losses accounts as of the respective years ending June 30 (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Balance at beginning of period |  | Charged to costs and expenses |  | Deductions/ (recoveries) |  | Balance at end of period
For the Year Ended June 30, 2023: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Allowance for credit losses | ​ | $ | 243 | ​ | $ | 6 | ​ | $ | (118) | ​ | $ | 131
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
For the Year Ended June 30, 2024: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Allowance for credit losses | ​ | $ | 131 | ​ | $ | — | ​ | $ | (99) | ​ | $ | 32
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
For the Year Ended June 30, 2025: | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Allowance for credit losses | ​ | $ | 32 | ​ | $ | — | ​ | $ | (7) | ​ | $ | 25
​

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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