Segment Information (Details 1) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Segment Reporting Information [Line Items]
Net sales	$ 9,803,000	$ 8,840,000	$ 8,846,000	$ 8,463,000	$ 9,114,000	$ 8,503,000	$ 9,000,000	$ 8,845,000	$ 35,952,487	$ 35,461,769	$ 36,370,616
Respiratory care products [Member]
Segment Reporting Information [Line Items]
Net sales									9,077,370	9,221,764	9,688,486
Medical gas equipment [Member]
Segment Reporting Information [Line Items]
Net sales									19,712,286	18,772,376	19,425,522
Emergency medical products [Member]
Segment Reporting Information [Line Items]
Net sales									$ 7,162,831	$ 7,467,629	$ 7,256,608