Annual report pursuant to Section 13 and 15(d)

Inventories (Tables)

Inventories (Tables)

12 Months Ended

Mar. 31, 2013

Inventories are valued on a FIFO basis and lower of cost or market and consisted of the following as of March 31, 2013 and 2012 (in thousands):

	2013			2012

Raw materials	$	20,198		$	18,476
Work in process		—			151
Finished goods		1,567			1,567

Total		21,765			20,194
Less non-current portion		(3,252	)		(1,313	)

Current portion	$	18,513		$	18,881

Schedule of expected usage for non-current inventory

The Company expects to use the non-current portion of the inventories on hand as of March 31, 2013 over the periods presented in the following table (in thousands):

Expected Period of Use	Non-current Inventory Balance Expected to be Used

13 to 24 months	$	2,401
25 to 36 months		567
37 to 48 months		284

Total	$	3,252