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Accounts Receivable, Net
6 Months Ended
Sep. 30, 2012
Receivables [Abstract]  
ACCOUNTS RECEIVABLE, NET
ACCOUNTS RECEIVABLE, NET
Accounts receivable, net consisted of the following:
 
 
September 30,
2012
 
March 31,
2012
Current
 
 
 
Accounts receivable–billed
$
331,169

 
$
436,314

Accounts receivable–unbilled
509,240

 
641,800

Allowance for doubtful accounts
(762
)
 
(799
)
Accounts receivable, net
839,647

 
1,077,315

Long-term
 
 
 
Unbilled receivables related to retainage and holdbacks
19,527

 
24,163

Total accounts receivable, net
$
859,174

 
$
1,101,478


The Company recognized a provision for doubtful accounts of $150,000 and $2.3 million for the three months ended September 30, 2012 and 2011, respectively, and $890,000 and $2.9 million for the six months ended September 30, 2012 and 2011, respectively. Long-term unbilled receivables related to retainage, holdbacks, and long-term rate settlements to be billed at contract closeout are included in other long-term assets as accounts receivable in the accompanying condensed consolidated balance sheets.