8. PRODUCT WARRANTIES (Tables)

9 Months Ended

Feb. 29, 2016

Product Warranties Disclosures [Abstract]

Liability for product warranties

The following is a summary of changes in the Company's liability for product warranties during the three and nine months ended February 29, 2016 and February 28, 2015 (in thousands):

	Three Months Ended						Nine Months Ended
	Feb. 29,			Feb. 28,			Feb. 29,			Feb. 28,
	2016			2015			2016			2015
Balance at the beginning of the period	$	305		$	149		$	137		$	223
Accruals for warranties issued during the period		2			47			239			145
Settlement made during the period (in cash or in kind)		(154	)		(34	)		(223	)		(206	)
Balance at the end of the period	$	153		$	162		$	153		$	162