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Warrants (Tables)
3 Months Ended
Mar. 30, 2013
Warrants Tables  
Warrants

At March 30, 2013, the following warrants were outstanding and exercisable:

Warrants granted in connection with :  

Weighted Average

Exercise Prices

   

Number Outstanding

And Exercisable

At March 30, 2013

 

Weighted Average

Remaining Contractual Life

2008 Private placement equity offering   $ 3.00       937,114   2.1 months
2010 Private placement equity offering   $ 0.21       4,389,281   1.7 months
2012 Placement agent commission   $ 0.85       285,000   16.1 months
2012 Non-employee award   $ 0.75       250,000   16.3 months
    $ 0.71       5,861,395   3.1 months