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Stock-based Compensation Restricted stock activity (Details) (USD $)
0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 12 Months Ended
Jun. 30, 2012
InMoTx, Inc. [Member]
Common Stock [Member]
Sep. 20, 2011
InMoTx, Inc. [Member]
Common Stock [Member]
Jun. 30, 2013
2005 Equity Incentive Plan [Member]
Jun. 30, 2013
Unregistered Restricted Stock Outside of Stock Plans [Member]
Common Stock [Member]
Jun. 25, 2012
Unregistered Restricted Stock Outside of Stock Plans [Member]
MobileRobots [Member]
Jun. 25, 2011
Unregistered Restricted Stock Outside of Stock Plans [Member]
MobileRobots [Member]
Apr. 15, 2011
Unregistered Restricted Stock Outside of Stock Plans [Member]
MobileRobots [Member]
Jun. 30, 2013
Unregistered Restricted Stock Outside of Stock Plans [Member]
MobileRobots [Member]
Jun. 30, 2012
Unregistered Restricted Stock Outside of Stock Plans [Member]
MobileRobots [Member]
Jun. 30, 2011
Unregistered Restricted Stock Outside of Stock Plans [Member]
MobileRobots [Member]
Jun. 25, 2010
Unregistered Restricted Stock Outside of Stock Plans [Member]
MobileRobots [Member]
Common Stock [Member]
Jun. 30, 2012
Unregistered Restricted Stock Outside of Stock Plans [Member]
InMoTx, Inc. [Member]
Jun. 30, 2011
Unregistered Restricted Stock Outside of Stock Plans [Member]
InMoTx, Inc. [Member]
Jan. 10, 2011
Unregistered Restricted Stock Outside of Stock Plans [Member]
InMoTx, Inc. [Member]
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     344,415.000                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]                            
Shares of Unregistered Restricted Stock Issued Outside of Equity Incentive Plans in Connection with Acquisitions, Total       468,956       7,603 130,589 368,956 368,956 100,000   100,000
No. of Restricted Stock Awards Vested (19,500)   (65,058.000)   (7,603) (65,293)   (7,603) (7,603) (65,293)   (19,500)    
Awards accelerated vesting, Shares             (173,074) (115,383) (115,383) (173,074)        
Awards forfeited, Shares   (80,500) (147,653.000)                 (80,500)    
Shares of Unregistered Restricted Stock Issued Outside of Equity Incentive Plans in Connection with Acquisitions, Total       468,956       0 7,603 130,589 368,956 0 100,000 100,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]                            
Awards Granted, Grant Date Fair Market Value     $ 3.90                   $ 4.89  
Balance of Awards, Grant Date Fair Market Value               $ 5.10   $ 5.10   $ 4.89    
Awards Vested, Grant Date Fair Mareket Value     $ 4.31         $ 5.10 $ 5.10 $ 5.10   $ 4.89    
Awards Forfeited, Grant Date Fair Market Value     $ 4.16                 $ 4.89    
Awards Accelerated Vesting, Grant Date Fair Market Value                 $ 5.10 $ 5.10        
Balance of Awards, Grant Date Fair Market Value               $ 0.00 $ 5.10     $ 0.00 $ 4.89