Inventory (Tables)

3 Months Ended

Jun. 30, 2016

Inventory [Abstract]

Schedule of inventory

Inventory is comprised of the following:

	June 30, 2016			March 31, 2016
Non-core inventory
Raw materials	$	21,192,000		$	17,394,000
Work-in-process		595,000			135,000
Finished goods		54,140,000			42,982,000
		75,927,000			60,511,000
Less allowance for excess and obsolete inventory		(2,586,000	)		(2,451,000	)
Total	$	73,341,000		$	58,060,000
Inventory unreturned	$	10,399,000		$	10,520,000
Long-term core inventory
Used cores held at the Company's facilities	$	32,000,000		$	34,405,000
Used cores expected to be returned by customers		11,435,000			10,781,000
Remanufactured cores held in finished goods		31,295,000			24,489,000
Remanufactured cores held at customers' locations		170,287,000			172,600,000
		245,017,000			242,275,000
Less allowance for excess and obsolete inventory		(1,195,000	)		(1,175,000	)
Total	$	243,822,000		$	241,100,000
Long-term core inventory deposits	$	5,569,000		$	5,569,000