Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenue	$ 8,620,049	$ 4,205,068	$ 23,623,531	$ 18,432,648
ASC 606 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract liabilities	3,354,066		3,354,066		$ 3,077,605
Revenue			811,000
ASC 606 [Member] | Units Delivered [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenue	7,291,109	3,754,628	19,883,573	15,479,212
ASC 606 [Member] | Milestones Achieved [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenue	1,328,940	$ 450,440	3,739,958	$ 2,953,436
ASC 606 [Member] | Backlog [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible assets	$ 76,200,000		$ 76,200,000
Percentage of estimated shipments			13% in 2022; 48% in 2023; 29% in 2024, and 10% thereafter.