WARRANTY RESERVES (Tables)

6 Months Ended

Sep. 30, 2017

WARRANTY RESERVES [Abstract]

Change in Accrued Warranty Reserve

The change in our accrued warranty reserve during the three and six months ended September 30, 2017 and 2016 is summarized as follows (in thousands):

	Three Months Ended September 30,						Six Months Ended September 30,
	2017			2016			2017			2016
Balance at beginning of period	$	4,541		$	3,576		$	4,358		$	3,208
Provision for warranty expense		682			741			1,462			1,500
Warranty costs incurred		(464	)		(367	)		(1,061	)		(758	)
Balance at end of period		4,759			3,950			4,759			3,950
Non-current portion of warranty reserve		2,825			2,411			2,825			2,411
Current portion of warranty reserve	$	1,934		$	1,539		$	1,934		$	1,539