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Revenue (Details) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Revenues	$ 32,933,949	$ 35,559,160
PMO
Revenues	13,425,643	15,020,542
Speciality Products [Member]
Revenues	2,772,437	1,803,293
Infrared Products
Revenues	$ 16,735,869	$ 18,735,325

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

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-Topic 235
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