Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Interim Consolidated Financial Statement Details - Consolidated Balance Sheets (Details)

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Note 4 - Interim Consolidated Financial Statement Details - Consolidated Balance Sheets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 01, 2018
Apr. 02, 2017
Jan. 01, 2018
Dec. 31, 2017
Trade accounts receivable $ 30,604     $ 28,793
Other receivables 298     317
Allowance for doubtful accounts    
Total 30,902     29,110
Opening balance – January 1, 2018 3,734    
Contract assets invoiced (3,734)    
Unbilled contract assets 5,469    
Ending balance 5,469    
Raw materials 18,786     17,668
Work in process     1,874
Finished goods (1) [1] 1,005     3,029
Parts 577     411
Provision for obsolescence (445)     (619)
Total 19,923   $ 18,949 18,949
Property, plant and equipment 47,783     47,686
Accumulated depreciation, property, plant and equipment (38,191)     (37,417)
Property, Plant and Equipment, Net, Ending Balance 9,592     10,269
Payroll 2,811     2,485
Professional services 407     328
Total 6,053     4,877
Land [Member]        
Property, plant and equipment 1,648     1,648
Accumulated depreciation, property, plant and equipment    
Building [Member]        
Property, plant and equipment 9,903     9,852
Accumulated depreciation, property, plant and equipment (8,764)     (8,619)
Machinery and Equipment [Member]        
Property, plant and equipment [2],[3] 30,336     30,319
Accumulated depreciation, property, plant and equipment [2],[3] (25,124)     (24,650)
Furniture and Fixtures [Member]        
Property, plant and equipment 522     534
Accumulated depreciation, property, plant and equipment (410)     (413)
Computer Equipment [Member]        
Property, plant and equipment [2] 3,274     3,173
Accumulated depreciation, property, plant and equipment [2] (2,742)     (2,622)
Leasehold Improvements [Member]        
Property, plant and equipment 2,100     2,160
Accumulated depreciation, property, plant and equipment (1,151)     (1,113)
Customer Related [Member]        
Other accrued liabilities 1,433     936
Restructuring [Member]        
Other accrued liabilities 95     109
Vendor Related [Member]        
Other accrued liabilities 740     493
Other Accrued Liabilities [Member]        
Other accrued liabilities $ 567     $ 526
[1] Finished goods represent inventory the Company procured for resale and revenue will be recognized at a point in time when the performance obligation has been satisfied and control of the finished goods has transferred to the customer.
[2] In accordance with ASC 360-10, the Company is required to evaluate for impairment when events or changes in circumstances indicate that the carrying value of such assets may not be recoverable. Upon the occurrence of a triggering event, the Company assesses whether the estimated undiscounted cash flows expected from the use of the asset and the residual value from the ultimate disposal of the asset exceeds the carrying value. As at April 1, 2018, the Company identified that operating results for its China segment asset group did not meet forecasted results, which was considered a triggering event related to its China segment asset group. The net carrying amount of the China asset group is $1,262. The Company estimated undiscounted cash flows and determined a recoverable amount of $1,056 in excess of the net carrying value, therefore no impairment loss was recorded in 2018. The key assumptions included in these cash flows are projected revenue based on management's forecast and corresponding margins. The estimate of undiscounted cash flows are sensitive to these key assumptions, for instance, if our revenue projections are lower by 10%, the recoverable amount in excess of the carrying amount would be reduced to $731. As such, the Company continues to monitor for impairment triggers each quarter, which may result in future impairments in this asset group.
[3] Included within machinery and equipment were assets under capital leases with costs of $533 and $533 and associated accumulated depreciation of $237 and $222 as of April 1, 2018 and December 31, 2017, respectively. The related depreciation expense for the three months ended April 1, 2018 and April 2, 2017 was $15 and $78, respectively.