Acquisitions MobileRobots, Narrative (Details) (USD $)			0 Months Ended	12 Months Ended		0 Months Ended			0 Months Ended		3 Months Ended						0 Months Ended			12 Months Ended				0 Months Ended		0 Months Ended
	Jun. 30, 2012 Common Stock [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jan. 10, 2011 InMoTx, Inc. [Member]	Jan. 10, 2011 InMoTx, Inc. [Member] Developed Technology Rights [Member]	Jun. 30, 2012 InMoTx, Inc. [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jun. 30, 2011 InMoTx, Inc. [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jun. 30, 2012 InMoTx, Inc. [Member] Common Stock [Member]	Jan. 10, 2011 InMoTx, Inc. [Member] Common Stock [Member]	Jan. 10, 2011 InMoTx, Inc. [Member] Common Stock [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jun. 25, 2011 MobileRobots [Member]	Jun. 25, 2010 MobileRobots [Member]	Jun. 30, 2011 MobileRobots [Member]	Oct. 01, 2011 MobileRobots [Member] Acquiree Employee Bonus [Member]	Jun. 30, 2011 MobileRobots [Member] Acquiree Employee Bonus [Member]	Jun. 30, 2012 MobileRobots [Member] Acquiree Employee Bonus [Member]	Jun. 25, 2010 MobileRobots [Member] Developed Technology Rights [Member]	Jun. 25, 2010 MobileRobots [Member] Customer Base [Member]	Jun. 25, 2012 MobileRobots [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jun. 25, 2011 MobileRobots [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Apr. 15, 2011 MobileRobots [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jun. 30, 2012 MobileRobots [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jun. 30, 2011 MobileRobots [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jun. 30, 2010 MobileRobots [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jun. 25, 2010 MobileRobots [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jun. 25, 2010 MobileRobots [Member] Common Stock [Member]	Jun. 25, 2010 MobileRobots [Member] Common Stock [Member] Unregistered Restricted Stock Outside of Stock Plans [Member]	Jun. 25, 2010 MobileRobots [Member] Unrestricted Stock [Member]	Jun. 30, 2012 MobileRobots [Member] Restricted Stock [Member]	Jun. 25, 2010 MobileRobots [Member] Restricted Stock [Member]
Business Acquisition [Line Items]
Merger consideration paid, net of cash acquired		$ 2,600,000								$ 3,000,000
Cash paid upon merger		1,500,000								1,000,000
Cash acquired from acquisition										100,000
Intangible assets		1,331,000								1,170,000
Shares of common stock issued upon merger							199,979																	394,403		190,841	6,293	203,562
Total value of stock issued upon merger							977,897			2,000,000																973,000		1,000,000
Shares of unregistered restricted stock issued outside of equity incentive plans in connection with acquisitions, total	468,956			0	100,000			100,000												7,603	130,589	368,956			368,956
Shares of unregistered restricted stock issued outside of equity incentive plans in connection with acquisitions, value																							1,900,000
Common stock and shares of unregistered restricted stock issued outside of equity incentive plans in connection with acquisitions, aggregate shares										763,359
Stock value per share, acquisition date							$ 4.89			$ 5.10
Shares of restricted stock with accelerated vesting, related to acquisition																			173,074	115,383	173,074
Shares of restricted stock vested, related to acquisition				19,500		19,500											7,603	65,293		7,603	65,293
Contingent consideration, aggregate potential cash payment to MobileRobots employees														320,000
Payment of accrued contingent consideration, MobileRobots employees												(100,000)	100,000
Indemnification for breaches of representations, warranties, and covenants		1,000,000								3,000,000
Intangible assets			1,100,000												900,000	300,000
Royalty rate used to value intangible assets			9.10%						3.50%
Goodwill		1,440,000								1,186,000
Goodwill, purchase price allocation adjustment											$ 307,000