12. CAPITAL STOCK (Tables)

12 Months Ended

May. 31, 2015

Capital Stock Tables

Stock option transactions

    The following table summarizes the Company’s stock option transactions during fiscal 2015, 2014 and 2013 (in thousands, except per share data):

				Outstanding Options
							Weighted
				Number			Average		Aggregate
	Available			of			Exercise		Intrinsic
	Shares			Shares			Price		Value
Balances, May 31, 2012		839			2,957		$	2.40	$	587
Additional shares reserved		1,223			--
Options granted		(670	)		670		$	1.13
Options terminated		569			(569	)	$	4.37
Plan shares expired		(224	)		--
Options exercised		--			(102	)	$	0.67
Balances, May 31, 2013		1,737			2,956		$	1.79	$	964
Options granted		(908	)		908		$	1.64
Options terminated		420			(420	)	$	5.51
Plan shares expired		(104	)		--
Options exercised		--			(442	)	$	1.17
Balances, May 31, 2014		1,145			3,002		$	1.31	$	2,913
Additional shares reserved		860			--
Options granted		(1,253	)		1,253		$	2.38
Options terminated		93			(93	)	$	2.30
Options exercised		--			(476	)	$	1.33
Balances, May 31, 2015		845			3,686		$	1.66	$	2,946
Options exercisable and expected to be
exercisable at May 31, 2015					3,612		$	1.66	$	2,887

Options Outstanding

    The options outstanding and exercisable at May 31, 2015 were in the following exercise price ranges (in thousands, except per share data):

	Options Outstanding						Options Exercisable
	at May 31, 2015						at May 31, 2015
Range of Exercise Prices	Number Outstanding Shares		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Exercisable Shares		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price			Aggregate Intrinsic Value
$0.59-$0.97		680		3.85	$	0.70		612		3.87	$	0.71
$1.09-$1.40		1,293		3.97	$	1.28		874		3.64	$	1.28
$1.73-$2.06		411		3.71	$	1.90		345		3.37	$	1.92
$2.15-$2.71		1,302		6.10	$	2.45		358		5.01	$	2.54
$0.59-$2.71		3,686		4.67	$	1.66		2,189		3.89	$	1.43	$	2,198