Annual report pursuant to Section 13 and 15(d)

Note 3 - ASC 606 Revenue from Contracts with Customers - Impact of Adoption of ASC 606 (Details)

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Note 3 - ASC 606 Revenue from Contracts with Customers - Impact of Adoption of ASC 606 (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Dec. 31, 2017
Jan. 01, 2017
Jan. 01, 2018
Jan. 03, 2016
Inventories $ 53,203 $ 22,363 $ 22,363   $ 18,949  
Unbilled contract assets 20,405   3,734  
Total shareholders’ equity 32,301 19,074 19,074 $ 26,487 19,394 $ 26,296
Unbilled contract assets 20,405   3,734  
Inventories 53,203 22,363 22,363   18,949  
Total shareholders’ equity 32,301 19,074 19,074 26,487 19,394 $ 26,296
Revenues 216,131   139,231 167,868    
Cost of sales 194,470   128,380 152,841    
Site Contribution 21,661   10,851 15,027    
Income tax expense 677 $ 560 560 287    
Net loss (448)   $ (7,845) $ (232)    
Accounting Standards Update 2014-09 [Member]            
Inventories         (3,414)  
Unbilled contract assets         3,734  
Total shareholders’ equity         320  
Unbilled contract assets         3,734  
Inventories         (3,414)  
Total shareholders’ equity         $ 320  
Calculated under Revenue Guidance in Effect before Topic 606 [Member]            
Inventories 73,075          
Unbilled contract assets          
Total shareholders’ equity 30,916          
Unbilled contract assets          
Inventories 73,075          
Total shareholders’ equity 30,916          
Revenues 211,597          
Cost of sales 190,007          
Site Contribution 21,590          
Income tax expense 677          
Net loss (519)          
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]            
Revenues 4,534          
Cost of sales 4,463          
Site Contribution 71          
Income tax expense          
Net loss 71          
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]            
Inventories (20,013)          
Unbilled contract assets 20,405          
Total shareholders’ equity 392          
Unbilled contract assets 20,405          
Inventories (20,013)          
Total shareholders’ equity $ 392