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Inventory (Tables)

12 Months Ended

Mar. 31, 2013

Inventory [Abstract]

Schedule of Inventory

Non-core inventory, Inventory unreturned, Long-term core inventory, and Long-term core inventory deposit is comprised of the following at March 31:

		2013				2012
Non-core inventory
Raw materials		$	29,246,000			$	31,560,000
Work-in-process			626,000				153,000
Finished goods			47,676,000				72,171,000
			77,548,000				103,884,000
Less allowance for excess and obsolete inventory			(16,458,000	)			(8,813,000	)
Total		$	61,090,000			$	95,071,000
Inventory unreturned		$	12,150,000			$	9,819,000
Long-term core inventory
Used cores held at the Company's facilities		$	40,778,000			$	47,206,000
Used cores expected to be returned by customers			5,147,000				5,542,000
Remanufactured cores held in finished goods			22,170,000				25,751,000
Remanufactured cores held at customers' locations			98,916,000				118,402,000
			167,011,000				196,901,000
Less allowance for excess and obsolete inventory			(8,535,000	)			(2,495,000	)
Total		$	158,476,000			$	194,406,000
Long-term core inventory deposits		$	27,610,000			$	26,939,000

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 2

-Paragraph 6

-Subparagraph a,b,c

-Article 5

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