Goodwill and Other Intangible Assets (Details) (USD $)	12 Months Ended		3 Months Ended					12 Months Ended						12 Months Ended			12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2011 MobileRobots [Member]	Jun. 25, 2010 MobileRobots [Member]	Jun. 30, 2012 MobileRobots [Member] Developed Technology Rights [Member]	Jun. 30, 2011 MobileRobots [Member] Developed Technology Rights [Member]	Jun. 25, 2010 MobileRobots [Member] Developed Technology Rights [Member]	Jun. 30, 2012 MobileRobots [Member] Patents [Member] Minimum [Member]	Jun. 30, 2012 MobileRobots [Member] Patents [Member] Maximum [Member]	Jun. 30, 2012 MobileRobots [Member] Customer Base [Member]	Jun. 30, 2011 MobileRobots [Member] Customer Base [Member]	Jun. 25, 2010 MobileRobots [Member] Customer Base [Member]	Jan. 10, 2011 InMoTx, Inc. [Member]	Jun. 30, 2012 InMoTx, Inc. [Member] Developed Technology Rights [Member]	Jun. 30, 2011 InMoTx, Inc. [Member] Developed Technology Rights [Member]	Jan. 10, 2011 InMoTx, Inc. [Member] Developed Technology Rights [Member]	Jun. 30, 2012 InMoTx, Inc. [Member] Trademarks/Trade names [Member]	Jun. 30, 2011 InMoTx, Inc. [Member] Trademarks/Trade names [Member]	Jan. 10, 2011 InMoTx, Inc. [Member] Trademarks/Trade names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 2,967,000	$ 2,967,000		$ 1,200,000									$ 1,400,000
Finite-Lived intangible asset, useful life								5 years	10 years	3 years				7 years			3 years
Increase in purchase price allocation for goodwill, reduction in deferred tax assets			307,000
Finite-Lived intangible assets:
Finite-lived intangible assets, gross	2,501,000	2,501,000		1,200,000	830,000	830,000	830,000			340,000	340,000	340,000	1,300,000	1,100,000	1,100,000	1,100,000	231,000	231,000	231,000
Accumulated Amortization	(815,000)	(349,000)			(238,000)	(119,000)				(226,000)	(113,000)			(236,000)	(79,000)		(115,000)	(38,000)
Finite-Lived intangible assets, net	1,686,000	2,152,000			592,000	711,000				114,000	227,000			864,000	1,021,000		116,000	193,000
Amortization expense	466,000	349,000
Finite-Lived Intangible Assets, Summary of Future Amortization:
Finite-Lived Intangible Assets, Amortization Expense, Year One	466,000				119,000					113,000				157,000			77,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	316,000				119,000					1,000				157,000			39,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	276,000				119,000					0				157,000			0
Finite-Lived Intangible Assets, Amortization Expense, Year Four	276,000				119,000					0				157,000			0
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	352,000				116,000					0				236,000			0
Finite-Lived intangible assets, net	$ 1,686,000	$ 2,152,000			$ 592,000	$ 711,000				$ 114,000	$ 227,000			$ 864,000	$ 1,021,000		$ 116,000	$ 193,000