Note 2 - Stock Based Compensation (Tables)

3 Months Ended

Jun. 27, 2014

Note 2 - Stock Based Compensation (Tables) [Line Items]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number of Options Outstanding (000’s)			Weighted Average Exercise Price per Share		Number of Shares Exercisable (000’s)		Weighted Average Exercise Price per Share
Balance as of March 31, 2013		2,392		$	1.66		2,142	$	1.76
Granted		24		$	0.48
Exercised		--		$	--
Expired or forfeited		(114	)	$	1.03
Balance as of June 28, 2013		2,302		$	1.68		2,099	$	1.76

	Number of Options Outstanding (000’s)			Weighted Average Exercise Price per Share		Number of Shares Exercisable (000’s)		Weighted Average Exercise Price per Share
Balance as of March 31, 2014		2,171		$	1.66		2,017	$	1.75
Granted		--		$	--
Exercised		--		$	--
Expired or forfeited		(36	)	$	2.09
Balance as of June 27, 2014		2,135		$	1.68		2,031	$	1.70
Vested & expected to Vest, June 27, 2014		2,105		$	1.67

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

		Options Outstanding
Price Range		Shares (in 000s)		Weighted Average Exercise Price		Weighted Average Remaining Life
$	0.44 - $1.25		525	$	0.71		7.24
$	1.26 - $2.50		1,360	$	1.81		2.94
$	2.56 - $5.34		250	$	2.83		1.17

		Options Exercisable
Price Range		Shares (in 000s)		Weighted Average Exercise Price		Weighted Average Remaining Life
$	0.44 - $1.25		421	$	0.66		7.20
$	1.26 - $2.50		1,360	$	1.81		2.94
$	2.56 - $5.34		250	$	2.83		1.17

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

	Three months ended
	June 27, 2014		June 28, 201312
Cost of Products Sold	$	1,000	$	2,000
Research and Development expense		4,000		5,000
General and Administrative expense		13,000		15,000
Sales and Marketing expense		3,000		7,000
Total Stock Based Compensation	$	21,000	$	29,000

Restricted Stock [Member]

Note 2 - Stock Based Compensation (Tables) [Line Items]

Schedule of Nonvested Share Activity [Table Text Block]

	Shares (000’s)			Weighted Average Grant Date Fair Value Per Share
Unvested, March 31, 2013		128		$	0.87
Granted		40		$	0.48
Vested		--		$	--
Expired or forfeited		(1	)	$	0.76
Unvested, June 28, 2013		167		$	0.78

	Shares (000’s)			Weighted Average Grant Date Fair Value Per Share
Unvested, March 31, 2014		84		$	0.76
Granted		--		$	--
Vested		--		$	--
Expired or forfeited		(16	)	$	0.50
Unvested, June 27, 2014		68		$	0.83