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Accounts Receivable
12 Months Ended
Mar. 31, 2015
Receivables [Abstract]  
Accounts Receivable

4. Accounts Receivable

Accounts receivable at March 31, 2015 and 2014 consisted of the following (in thousands):

 

 

March 31,

 

 

March 31,

 

 

2015

 

 

2014

 

Accounts receivable (billed)

$

8,946

 

 

$

6,113

 

Accounts receivable (unbilled)

 

987

 

 

 

1,459

 

Less: Allowance for doubtful accounts

 

(54

)

 

 

(16

)

   Accounts receivable, net

$

9,879

 

 

$

7,556

 

 

As of March 31, 2015, one customer, Inox Wind Limited (“Inox”), accounted for approximately 56% of the Company’s total receivable balance. As of March 31, 2014, three customers, Inox, CGPS, and JCNE, accounted for approximately 20%, 14% and 13%, respectively, of the Company’s total receivable balance.