Annual report pursuant to Section 13 and 15(d)

Note 6 - Capital Stock (Details Textual)

v3.20.1
Note 6 - Capital Stock (Details Textual)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Jun. 30, 2019
USD ($)
shares
Dec. 29, 2019
USD ($)
$ / shares
shares
Dec. 30, 2018
USD ($)
$ / shares
shares
Dec. 31, 2017
USD ($)
shares
May 24, 2019
USD ($)
May 09, 2019
shares
Common Stock, Shares Authorized   38,750,000 26,000,000     38,750,000
Common Stock, Par or Stated Value Per Share | $ / shares   $ 0.01 $ 0.01      
Common Stock, Voting Rights per Share   1 1      
Preferred Stock, Shares Authorized   5,000,000       5,000,000
Preferred Stock, Par or Stated Value Per Share | $ / shares   $ 0.01        
Preferred Stock, Shares Outstanding, Ending Balance   0        
Common and Preferred Stock, Shares Authorized           43,750,000
Treasury Stock, Shares, Ending Balance   0 0 0    
Proceeds from Issuance of Common Stock, Net | $   $ 14,044 $ 12,587    
Rights Offering and Registered Direct Offering [Member]            
Common Stock, Value, Subscriptions | $         $ 9,136  
Stock Issued During Period, Shares, New Issues 1,732,483          
Proceeds from Issuance of Common Stock, Net | $ $ 14,044