XML 74 R58.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 10 - Shareholders' Equity - Performance Shares Outstanding (Details) - Performance Shares [Member] - $ / shares
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Jan. 03, 2016
Outstanding at January 1, 2017 (in shares) 368,500 0  
Granted (in shares) 354,000   0
Vested (in shares) 31,000    
Forfeited or cancelled (in shares) 22,000    
Outstanding at December 31, 2017 (in shares) 669,500 368,500 0
Outstanding at January 1, 2017 (in dollars per share) $ 17.20    
Granted (in dollars per share) 17.80    
Vested (in dollars per share) 17.22    
Forfeited or cancelled (in dollars per share) 17.29    
Outstanding at December 31, 2017 (in dollars per share) $ 17.51 $ 17.20