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Revenue (Tables) | 3 Months Ended
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Sep. 30, 2021
Revenue |
Disaggregation of revenue |
|  | Three Months Ended September 30, |
|  | 2021 |  |  | 2020 |
PMO |  | $ | 3,812,950 |  |  | $ | 4,293,603 |
Infrared Products |  |  | 4,887,918 |  |  |  | 4,724,504 |
Specialty Products |  |  | 402,475 |  |  |  | 490,865 |
Total revenue |  | $ | 9,103,343 |  |  | $ | 9,508,972 |

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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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