Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)

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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ / shares in Thousands, $ in Thousands
Dec. 28, 2019
Mar. 30, 2019
Trade accounts receivable, allowance $ 8 $ 8
Preferred stock, par value (in dollars per share) $ 0 $ 0
Preferred stock, authorized (in shares) 1,000,000 1,000,000
Common stock, par value (in dollars per share) $ 0 $ 0
Common stock, shares authorized (in shares) 13,333,333 13,333,333
Common stock, issued (in shares) 2,476,900 757,367
Common stock, outstanding (in shares) 2,476,900 757,367
Series A Preferred Stock [Member]    
Preferred stock, authorized (in shares) 250,000 250,000
Preferred stock, issued (in shares) 0 0
Preferred stock, outstanding (in shares) 0 0
Series B, C, and D Preferred Stock [Member]    
Preferred stock, authorized (in shares) 19,500 19,500
Preferred stock, outstanding (in shares) 17,781.64 18,533.51
Preferred stock, liquidation preference $ 3,367 $ 3,540
Series E Preferred Stock [Member]    
Preferred stock, authorized (in shares) 100,000 100,000
Preferred stock, issued (in shares) 100,000  
Preferred stock, outstanding (in shares) 9,200 98,400
Preferred stock, liquidation preference $ 345 $ 3,690