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Accounts Receivable
 9 Months Ended
Dec. 31, 2012
Accounts Receivable [Abstract]  
Accounts Receivable

5. Accounts Receivable 

Accounts receivable at December 31, 2012 and March 31, 2012 consisted of the following (in thousands):

 

 

 

 

 

 

 

 

December 31,

 

 

March 31,

 

 

2012

 

 

2012

Accounts receivable (billed)

$
11,424 

 

$
16,240 

Accounts receivable (unbilled)

 
914 

 

 
2,811 

Less: Allowance for doubtful accounts

 
(10)

 

 
(52)

  Accounts receivable, net

$
12,328 

 

$
18,999