Quarterly Financial Data (unaudited) (Details) - 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
Schedule Of Quarterly Financial 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
Gross Profit, Total	1,638,000	1,699,000	2,158,000	1,575,000	1,861,000	1,748,000	1,944,000	1,761,000	7,069,598	7,314,249	8,242,290
Loss from operations	(472,000)	(489,000)	(35,000)	(698,000)	(395,000)	(960,000)	(892,000)	(862,000)	(1,693,737)	(3,108,884)	(2,493,516)
Net loss	$ (521,000)	$ (503,000)	$ (45,000)	$ (708,000)	$ (347,000)	$ (969,000)	$ (899,000)	$ (591,000)	$ (1,777,310)	$ (2,805,913)	$ (1,256,773)
Basic loss per share (in dollars per share)	$ (0.06)	$ (0.06)	$ (0.01)	$ (0.09)	$ (0.04)	$ (0.12)	$ (0.11)	$ (0.07)	$ (0.22)	$ (0.35)	$ (0.16)
Diluted loss per share (in dollars per share)	$ (0.06)	$ (0.06)	$ (0.01)	$ (0.09)	$ (0.04)	$ (0.12)	$ (0.11)	$ (0.07)	$ (0.22)	$ (0.35)	$ (0.16)