Revenues (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Revenues	$ 7,309,785	$ 8,106,998	$ 15,285,422	$ 15,375,895
Domestic United States
Revenues	5,451,615	5,913,530	11,195,850	11,691,515
Europe
Revenues	69,449	266,783	397,116	379,939
Canada
Revenues	212,976	215,163	369,378	373,323
Latin America
Revenues	807,799	616,923	1,562,791	1,126,636
Middle East
Revenues	86,383	53,416	223,957	146,011
Far East
Revenues	681,316	1,026,382	1,535,756	1,642,249
Other International
Revenues	$ 247	$ 14,801	$ 574	$ 16,222