Revenue (Tables)

6 Months Ended

Dec. 31, 2020

Disaggregation of Revenue [Abstract]

Disaggregation of revenue

	Three Months Ended December 31,				Six Months Ended December 31,
	2020		2019		2020		2019
PMO	$	4,742,459	$	3,710,549	$	9,036,062	$	6,895,007
Infrared Products		4,808,102		5,003,874		9,532,606		8,963,499
Specialty Products		371,610		885,489		862,475		1,293,336
Total revenue	$	9,922,171	$	9,599,912	$	19,431,143	$	17,151,842