Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details Textual)

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Intangible Assets (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Intangible Assets (Textual) [Abstract]        
Intangible amortization expense $ 45 $ 45 $ 90 $ 161
Future amortization expenses, remainder of fiscal, 2013 90   90  
Future amortization expenses, 2014 180   180  
Future amortization expenses, 2015 180   180  
Future amortization expenses, 2016 180   180  
Future amortization expenses, 2017 $ 180   $ 180