Annual report pursuant to Section 13 and 15(d)

Note 17 - Preferred Stock and Warrants - Preferred Stock Information (Details)

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Note 17 - Preferred Stock and Warrants - Preferred Stock Information (Details) - USD ($)
$ in Thousands
Mar. 27, 2021
Mar. 28, 2020
Designated shares (in shares) 1,000,000 1,000,000
Series B Preferred Stock [Member]    
Designated shares (in shares) 10,000  
Shares issued (in shares) 9,997  
Preferred Stock, Shares Outstanding, Ending Balance (in shares) 9,245  
Liquidation preference $ 2,136  
Series C Preferred Stock [Member]    
Designated shares (in shares) 3,500  
Shares issued (in shares) 3,425  
Preferred Stock, Shares Outstanding, Ending Balance (in shares) 3,425  
Liquidation preference $ 500  
Series D Preferred Stock [Member]    
Designated shares (in shares) 6,000  
Shares issued (in shares) 5,112  
Preferred Stock, Shares Outstanding, Ending Balance (in shares) 5,112  
Liquidation preference $ 731  
Series E Preferred Stock [Member]    
Designated shares (in shares) 100,000 100,000
Shares issued (in shares) 9,200 9,200
Preferred Stock, Shares Outstanding, Ending Balance (in shares) 9,200 9,200
Liquidation preference $ 345 $ 345
Series B, C, D, and E Preferred Stock [Member]    
Designated shares (in shares) 119,500  
Shares issued (in shares) 118,534  
Preferred Stock, Shares Outstanding, Ending Balance (in shares) 26,982  
Liquidation preference $ 3,712