Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Reverse Stock Split (Details Textual)

v3.20.4
Note 8 - Reverse Stock Split (Details Textual)
Dec. 12, 2019
shares
Dec. 26, 2020
shares
Mar. 28, 2020
shares
[1]
Dec. 11, 2019
shares
Common Stock, Shares, Outstanding, Ending Balance (in shares) 2,476,982 2,635,856 2,635,856  
Common Stock, Shares Authorized (in shares) 13,333,333 13,333,333 13,333,333  
Before Stock Split [Member]        
Common Stock, Shares, Outstanding, Ending Balance (in shares)       37,154,730
Reverse Stock Split [Member]        
Stockholders' Equity Note, Stock Split, Conversion Ratio 15      
[1] Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.