SeaBotix Inc. Acquisition (Details 1) (USD $)	12 Months Ended
	Jun. 30, 2012		Jun. 30, 2011	Sep. 30, 2012		Jan. 01, 2011
Balance	$ 3,000,000			$ 5,000,000	[1]	$ 5,000,000
Earnout paid	(2,500,000)		(2,000,000)
Increase to contingent earnout liability in June 2012	4,500,000
Balance	$ 5,000,000	[1]	$ 3,000,000	$ 5,000,000	[1]	$ 5,000,000

[1] Refer to Note 10 to Consolidated Financial Statements (Unaudited) for further information concerning the SBX contingent earnout liability.