Goodwill and Intangible Assets (Details Textual) (USD $)	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2013
Patents [Member]
Finite-Lived Intangible Asset, Useful Life	17 years
Finite-Lived Intangible Assets, Net, Total	$ 577,326		$ 568,823
Finite-Lived Intangible Assets, Accumulated Amortization	574,847		554,923
Amortization of Intangible Assets	19,000	18,000
Customer Relationships [Member]
Finite-Lived Intangible Assets, Net, Total	320,000		360,000
Finite-Lived Intangible Assets, Accumulated Amortization	480,000		440,000
Amortization of Intangible Assets	$ 40,000	$ 40,000