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Note 4 - Balance Sheet Components - Balance Sheet Components (Details) - USD ($) $ in Thousands | Jan. 01, 2023 | Jan. 02, 2022
--- | --- | ---
Trade account receivables |  | $ 2,707 | $ 1,113
Less: Allowance for doubtful accounts |  | (18) | (62)
Accounts Receivable, after Allowance for Credit Loss, Total |  | 2,689 | 1,051
Inventories: |  |  |
Work-in-process |  | 1,826 | 1,397
Finished goods |  | 667 | 681
Inventory, Net, Total |  | 2,493 | 2,078
Other current assets: |  |  |
Prepaid expenses |  | 1,305 | 921
Other |  | 265 | 260
Prepaid Expense and Other Assets, Current |  | 1,570 | 1,181
Property and equipment: |  |  |
Property and equipment, gross |  | 12,467 | 12,717
Accumulated depreciation and amortization |  | (12,002) | (12,218)
Property, Plant and Equipment, Net, Total |  | 465 | 499
Capitalized internal-use software: |  |  |
Capitalized software held for internal use |  | 2,370 | 1,699
Accumulated amortization |  | (856) | (458)
Capitalized Computer Software, Net, Ending Balance |  | 1,514 | 1,241
Accrued liabilities: |  |  |
Accrued compensation |  | 865 | 740
Accrued employee benefits |  | 40 | 111
Accrued payroll tax |  | 57 | 102
Other | [1] | 547 | 712
Accrued Liabilities, Current, Total |  | 1,509 | 1,665
Equipment [Member] |  |  |
Property and equipment: |  |  |
Property and equipment, gross |  | 10,133 | 10,341
Software and Software Development Costs [Member] |  |  |
Property and equipment: |  |  |
Property and equipment, gross |  | 1,803 | 1,878
Furniture and Fixtures [Member] |  |  |
Property and equipment: |  |  |
Property and equipment, gross |  | 65 | 32
Leasehold Improvements [Member] |  |  |
Property and equipment: |  |  |
Property and equipment, gross |  | $ 466 | $ 466
[1] | Accrued liabilities-Other is partially comprised of a $100 non-cash lease adjustment offseting Other Assets in the six months ended July 3, 2022.

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