Segment Information (Details 1) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Net sales	$ 9,114,000	$ 8,503,000	$ 9,000,000	$ 8,845,000	$ 9,798,000	$ 9,116,000	$ 8,749,000	$ 8,708,000	$ 35,461,769	$ 36,370,616	$ 38,551,774
Respiratory care products [Member]
Segment Reporting Information [Line Items]
Net sales									9,221,764	9,688,486	8,944,319
Medical gas equipment [Member]
Segment Reporting Information [Line Items]
Net sales									18,772,376	19,425,522	21,870,840
Emergency medical products [Member]
Segment Reporting Information [Line Items]
Net sales									$ 7,467,629	$ 7,256,608	$ 7,736,615