Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

Inventories (Tables)

6 Months Ended

Sep. 30, 2013

Inventories are valued at a first in first out (“FIFO”) basis and lower of cost or market and consisted of the following as of September 30, 2013 and March 31, 2013 (in thousands):

	September 30, 2013			March 31, 2013
Raw materials	$	22,241		$	20,198
Finished goods	1,569			1,567
Total	23,810			21,765
Less non-current portion	(2,980		)	(3,252		)
Current portion	$	20,830		$	18,513

Schedule of expected usage for non-current inventory

The Company expects to use the non-current portion of the inventories on hand as of September 30, 2013, over the periods presented in the following table (in thousands):

Expected Period of Use	Non-current Inventory Balance

13 to 24 months	$	2,217
25 to 36 months	507
37 to 48 months	256
Total	$	2,980