Annual report pursuant to Section 13 and 15(d)

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

v3.19.1
Note 17 - Preferred Stock and Warrants - Preferred Stock Information (Details) - USD ($)
$ in Thousands
Mar. 30, 2019
Mar. 31, 2018
Jul. 08, 2013
Feb. 19, 2013
Nov. 10, 2011
Designated shares (in shares) 1,000,000 1,000,000      
Series B Preferred Stock [Member]          
Designated shares (in shares)   10,000      
Preferred Stock, Shares Issued, Total   9,997     9,997
Shares outstanding (in shares)   9,997      
Liquidation preference   $ 2,309      
Preferred stock, issued (in shares)   9,997     9,997
Preferred stock, outstanding (in shares)   9,997      
Preferred stock, liquidation preference   $ 2,309      
Series C Preferred Stock [Member]          
Designated shares (in shares)   3,500      
Preferred Stock, Shares Issued, Total   3,424.65   3,424.65  
Shares outstanding (in shares)   3,424.65      
Liquidation preference   $ 500      
Preferred stock, issued (in shares)   3,424.65   3,424.65  
Preferred stock, outstanding (in shares)   3,424.65      
Preferred stock, liquidation preference   $ 500      
Series D Preferred Stock [Member]          
Designated shares (in shares)   6,000      
Preferred Stock, Shares Issued, Total   5,111.86 5,111.86    
Shares outstanding (in shares)   5,111.86      
Liquidation preference   $ 731      
Preferred stock, issued (in shares)   5,111.86 5,111.86    
Preferred stock, outstanding (in shares)   5,111.86      
Preferred stock, liquidation preference   $ 731      
Series E Preferred Stock [Member]          
Designated shares (in shares) 100,000 60,000      
Preferred Stock, Shares Issued, Total 98,400 43,800      
Shares outstanding (in shares) 98,400 43,800      
Liquidation preference $ 3,690 $ 1,643      
Designated shares (in shares) 40,000        
Shares issued (in shares) 56,200        
Shares outstanding (in shares) 54,600        
Liquidation preference $ 2,047        
Preferred stock, issued (in shares) 98,400 43,800      
Preferred stock, outstanding (in shares) 98,400 43,800      
Preferred stock, liquidation preference $ 3,690 $ 1,643      
Series B, C, D, and E Preferred Stock [Member]          
Designated shares (in shares) 119,500 79,500      
Preferred Stock, Shares Issued, Total 118,533.51 62,333.51      
Shares outstanding (in shares) 116,933.51 62,333.51      
Liquidation preference $ 7,230 $ 5,183      
Preferred stock, issued (in shares) 118,533.51 62,333.51      
Preferred stock, outstanding (in shares) 116,933.51 62,333.51      
Preferred stock, liquidation preference $ 7,230 $ 5,183