Annual report pursuant to Section 13 and 15(d)

Note 5 - Consolidated Financial Statement Details (Details Textual)

v3.19.1
Note 5 - Consolidated Financial Statement Details (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Jan. 01, 2017
Nov. 08, 2018
Depreciation, Total $ 3,791 $ 3,588 $ 4,110  
Amortization of Intangible Assets, Total 1,065  
Goodwill, Ending Balance 18,165 0    
Machinery and Equipment [Member]        
Capital Leased Assets, Gross, Total 2,275 533    
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation 409 222    
Capital Leases, Balance Sheet, Assets by Major Class, Net, Total       $ 1,623
Machinery and Equipment [Member] | Assets Under Capital Lease [Member]        
Depreciation, Total 187 162    
Building and Building Improvements [Member]        
Capital Leased Assets, Gross, Total 9,082 0    
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation 96 0    
Building and Building Improvements [Member] | Assets Under Capital Lease [Member]        
Depreciation, Total 96 0    
Leasehold Improvements [Member]        
Capital Leases, Balance Sheet, Assets by Major Class, Net, Total       9,178
Furniture and Fixtures [Member]        
Capital Leased Assets, Gross, Total 158      
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation 6 0    
Capital Leases, Balance Sheet, Assets by Major Class, Net, Total       $ 252
Furniture and Fixtures [Member] | Assets Under Capital Lease [Member]        
Depreciation, Total 6 0    
Computer Equipment [Member]        
Capital Leased Assets, Gross, Total 91 0    
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation 20 0    
Computer Equipment [Member] | Assets Under Capital Lease [Member]        
Depreciation, Total $ 20 $ 0