Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parentheticals)

v3.21.2
Consolidated Balance Sheets (Parentheticals) - USD ($)
$ / shares in Thousands, $ in Thousands
Mar. 27, 2021
Mar. 28, 2020
Trade accounts receivable, allowance $ 3 $ 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) 2,635,856 2,635,856
Common stock, outstanding (in shares) 2,635,856 2,635,856
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, issued (in shares) 17,782 17,782
Preferred stock, outstanding (in shares) 17,782 17,782
Preferred stock, liquidation preference $ 3,367 $ 3,367
Series E Preferred Stock [Member]    
Preferred stock, authorized (in shares) 100,000 100,000
Preferred stock, issued (in shares) 9,200 9,200
Preferred stock, outstanding (in shares) 9,200 9,200
Preferred stock, liquidation preference $ 345 $ 345