2. ACCOUNTS RECEIVABLE (Tables)

12 Months Ended

May 31, 2013

Receivables [Abstract]

Accounts receivable

In Thousands, unless otherwise specified

	May 31,
	2013	2012
Accounts receivable.....................	$2,671	$2,627
Less: Allowance for doubtful accounts...	(39)	(39)
	$2,632	$2,588

		Additions
	Balance at	charged to		Balance
	beginning	costs and		at end
	of year	expenses	Deductions*	of year
Allowance for doubtful
accounts receivable:
May 31, 2013	$    39	$--	$    --	$   39
May 31, 2012	$    23	$16	$    --	$   39