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Common Stock Incentive, Stock Purchase Plans and Other Compensation Plans (Details 3) (Restricted Stock - Astrotech, USD $)
 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Restricted Stock - Astrotech
    
Restricted Stock Activity [Line Items]    
Restricted shares non-vested, beginning of period 678,000 1,365,000
Restricted shares issued 0 25,000
Restricted shares vested (528,000) (699,000)
Restricted shares cancelled or expired (133,000) (13,000)
Restricted shares non-vested, end of period 17,000 678,000
Weighted average grant-date fair value non-vested, beginning of period $ 1.12 $ 1.14
Weighted average grant-date fair value issued/granted $ 0 $ 0.75
Weighted average grant-date fair value vested $ 1.13 $ 1.14
Weighted average grant-date fair value cancelled or expired $ 1.15 $ 1.22
Weighted average grant-date fair value non-vested, end of period $ 0.75 $ 1.12