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Long-Term Debt (Details 2) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Mar. 31, 2012
Future principal payments under the term loan and capital lease agreements    
2014 $ 128  
2015 204  
2016 203  
2017 199  
2018 206  
Thereafter 4,642  
Total principal payments $ 5,582 $ 634