Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Interim Consolidated Financial Statement Details (Details Textual)

v3.19.1
Note 4 - Interim Consolidated Financial Statement Details (Details Textual)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
USD ($)
Apr. 01, 2018
USD ($)
Dec. 30, 2018
USD ($)
Depreciation, Total $ 1,627 $ 774  
Amortization of Intangible Assets, Total 1,844  
Goodwill, Ending Balance 18,165   $ 18,165
Restructuring Charges, Total 624  
Restructuring Reserve, Ending Balance 254    
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability $ (3,050)  
Full Time Employees [Member] | UNITED STATES      
Restructuring and Related Cost, Number of Positions Eliminated 10    
Full Time Employees [Member] | CANADA      
Restructuring and Related Cost, Number of Positions Eliminated 4    
Full Time Employees [Member] | MEXICO      
Restructuring and Related Cost, Number of Positions Eliminated 167    
Machinery and Equipment [Member]      
Capital Leased Assets, Gross, Total $ 2,275   2,275
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation 550   409
Machinery and Equipment [Member] | Assets Under Capital Lease [Member]      
Depreciation, Total 142   187
Building and Building Improvements [Member]      
Capital Leased Assets, Gross, Total 9,082   9,082
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation 297   96
Building and Building Improvements [Member] | Assets Under Capital Lease [Member]      
Depreciation, Total 201   96
Furniture and Fixtures [Member]      
Capital Leased Assets, Gross, Total 158   158
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation 15   6
Furniture and Fixtures [Member] | Assets Under Capital Lease [Member]      
Depreciation, Total 10   6
Computer Equipment [Member]      
Capital Leased Assets, Gross, Total 91   91
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation 28   20
Computer Equipment [Member] | Assets Under Capital Lease [Member]      
Depreciation, Total $ 8   $ 20