Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Details Textual)

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Intangible Assets (Details Textual) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Intangible Assets (Textual) [Abstract]      
Intangible amortization expense $ 180 $ 250 $ 152
Future amortization expenses, 2014 180    
Future amortization expenses, 2015 180    
Future amortization expenses, 2016 180    
Future amortization expenses, 2017 180    
Future amortization expenses, 2018 $ 180