Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2013
Mar. 31, 2012
CONSOLIDATED BALANCE SHEETS    
Accounts receivable, allowance for doubtful accounts (in dollars) $ 2,142 $ 2,228
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 515,000,000 415,000,000
Common stock, shares issued 305,661,276 300,315,313
Common stock, shares outstanding 304,622,573 299,317,493
Treasury stock, shares 1,038,703 997,820