Annual report pursuant to section 13 and 15(d)

Long Term Debt (Parenthetical) (Detail)

v2.4.0.8
Long Term Debt (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Mar. 31, 2012
Long Term Debt Maturities Repayments Of Principal [Line Items]    
Discount on Notes $ 159 $ 0
Senior Secured Convertible Note
   
Long Term Debt Maturities Repayments Of Principal [Line Items]    
Discount on Notes 0 1,020
Convertible Note
   
Long Term Debt Maturities Repayments Of Principal [Line Items]    
Discount on Notes 539 0
Convertible note , discount $ 0 $ 1,127