Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 29, 2013	Mar. 30, 2013
Trade accounts receivable, allowance (in Dollars)	$ 37	$ 35
Common Stock, Par Value (in Dollars per share)	$ 0	$ 0
Authorized shares	40,000,000	40,000,000
Shares Issued	5,181,247	5,079,747
Shares Outstanding	5,181,247	5,079,747
Series A Preferred Stock [Member]
Preferred Stock, Shares Authorized	250,000	250,000
Prеfеrrеd Stock, Sharеs Issuеd	0	0
Preferred Stock, Shares Outstanding	0	0
Series B Preferred Stock [Member]
Preferred Stock, Shares Authorized	10,000	10,000
Prеfеrrеd Stock, Sharеs Issuеd	9,997	9,997
Preferred Stock, Shares Outstanding	9,997	9,997
Preferred Stock, Liquidation Preference (in Dollars)	2,309	2,309
Series C Preferred Stock [Member]
Preferred Stock, Shares Authorized	3,500	3,500
Prеfеrrеd Stock, Sharеs Issuеd	3,425	3,425
Preferred Stock, Shares Outstanding	3,425	3,425
Preferred Stock, Liquidation Preference (in Dollars)	500	500
Series D Preferred Stock [Member]
Preferred Stock, Shares Authorized	6,000	6,000
Prеfеrrеd Stock, Sharеs Issuеd	0	0
Preferred Stock, Shares Outstanding	0	0
Preferred Stock, Liquidation Preference (in Dollars)	$ 143	$ 143