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Basis of Presentation (Schedule Of Stock Purchase Right Activity) (Details) (USD $)
3 Months Ended
Jun. 30, 2013
Percent
Basis Of Presentation Schedule Of Stock Purchase Right Activity Details  
Balance at March 31, 2013 958,575
Granted 0
Released (85,205)
Forfeited (8,750)
Balance at June 30, 2013 864,620
Weighted-average grant date fair market value, March 31, 2013 $ 4.11
Weighted-average grant date fair market value of restricted stock rights granted $ 0
Weighted-average grant date fair market value, released during period $ 2.29
Weighted-average grant date fair market value, forfeited during period $ 5.30
Weighted-average grant date fair market value, June 30, 2013 $ 4.27
Weighted-average remaining contractual term, in years, March 31, 2013 2 years 6 months 7 days
Weighted-average remaining contractual term, in years, June 30, 2013 2.36