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Shareholders' Equity (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended 99 Months Ended
Mar. 02, 2013
Jun. 01, 2013
Jun. 01, 2013
Percent of remaining shares outstanding under the loan program were placed into an escrow account   94.00%  
Transfer of common stock shares as payment on the loans 3,300,000    
Common stock warrant exercise price   $ 8.00 $ 8.00
Common stock warrants issued   1,700,000 2,300,000
Payments for net cash warrant exercises   $ (55)  
Knowledge Capital [Member]
      
Common stock warrants issued     2,197,803
Number of shares of common stock purchaseable from warrant   5,913,402 5,913,402