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Revenue Recognition and Contracts with Customers (Tables) | 3 Months Ended
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Sep. 30, 2020
Revenue Recognition and Contracts with Customers |
Schedule of disaggregation of revenues | Following is the disaggregation of revenues based on major product lines (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended September 30, | ​ | ​
​ | ​ | 2020 |  | 2019 | ​ | ​
Major Product Lines: | ​ | ​ |  |  | ​ |  | ​ | ​
Intrusion and access alarm products | ​ | $ | 7,325 | ​ | $ | 8,014 | ​ | ​
Door locking devices | ​ |  | 8,573 | ​ |  | 12,907 | ​ | ​
Services | ​ |  | 7,275 | ​ |  | 5,364 | ​ | ​
Total Revenues | ​ | $ | 23,173 | ​ | $ | 26,285 | ​ | ​

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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