Revenues (Tables)

6 Months Ended

Dec. 31, 2019

Revenues

Schedule of Revenue from external customers by geographic areas

The Company does not have any one single customer that represents more than 10 percent of total sales. Sales by region, and by product, are as follows:

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

Schedule of Revenue from external customers by products and services

	Sales by Product
	Three Months Ended				Six Months Ended
	December 31,				December 31,
	2019		2018		2019		2018
Respiratory care products	$	2,061,248	$	2,338,533	$	4,217,451	$	4,414,837
Medical gas equipment		3,824,007		4,147,086		7,604,573		7,819,678
Emergency medical products		1,424,530		1,621,379		3,463,398		3,141,380
	$	7,309,785	$	8,106,998	$	15,285,422	$	15,375,895