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Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Revenues	$ 7,409,648	$ 8,305,412	$ 23,249,228	$ 26,651,929
PMO
Revenues	3,105,533	4,033,218	10,254,715	11,608,665
Infrared Products
Revenues	3,606,535	3,725,684	11,270,785	13,688,770
Speciality Products [Member]
Revenues	$ 697,580	$ 546,510	$ 1,723,728	$ 1,354,494

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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