SeaBotix Inc. Acquisition (Details 2) (USD $)	12 Months Ended
	Jun. 30, 2013
Business Acquisition Purchase Price Allocation Intangible Assets Other Than Goodwill One	$ 8,500,000
Amortization Of Acquired Intangible Assets Annual	783,000
Trade name [Member]
Business Acquisition Purchase Price Allocation Intangible Assets Other Than Goodwill One	1,200,000
Amortization Of Acquired Intangible Assets Annual	0
Intangible Assets Weighted Average Useful Life	Indefinite
Acquired technology [Member]
Business Acquisition Purchase Price Allocation Intangible Assets Other Than Goodwill One	5,900,000
Amortization Of Acquired Intangible Assets Annual	583,000
Acquired technology [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	6 years
Acquired technology [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	15 years
Customer and distributor relationships [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	7 years
Business Acquisition Purchase Price Allocation Intangible Assets Other Than Goodwill One	1,400,000
Amortization Of Acquired Intangible Assets Annual	$ 200,000