Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.4
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Dec. 26, 2020
Mar. 28, 2020
[1]
Trade accounts receivable, allowance $ 8 $ 8
Preferred stock, par value (in dollars per share)
Preferred stock, authorized (in shares) 1,000,000 1,000,000
Common stock, par value (in dollars per share)
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, outstanding (in shares) 17,781.64 17,781.64
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) 100,000  
Preferred stock, outstanding (in shares) 9,200 9,200
Preferred stock, liquidation preference $ 345 $ 345
[1] Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.