5. PRODUCT WARRANTIES (Tables)

12 Months Ended

May 31, 2016

Product Warranties Disclosures [Abstract]

Liability for product warranties

  Following is a summary of changes in the Company’s liability for product warranties during the fiscal years ended May 31, 2016 and 2015 (in thousands):

	May 31,
	2016			2015
Balance at the beginning of the year	$	137		$	223
Accruals for warranties issued during the year		334			150
Settlement made during the year (in cash or in kind)		(316	)		(236	)
Balance at the end of the year	$	155		$	137

    The accrued warranty balance is included in accrued expenses on the consolidated balance sheets.