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Note 4 - Balance Sheet Components | 12 Months Ended
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Jan. 01, 2023
Notes to Financial Statements |
Supplemental Balance Sheet Disclosures [Text Block] | NOTE 4 — BALANCE SHEET COMPONENTS
|  | January 1, |  |  | January 2, |
|  | 2023 |  |  | 2022 |
|  | (in thousands) |
Accounts receivable: |  |  |  |  |  |  |  |
Trade account receivables |  | $ | 2,707 |  |  | $ | 1,113 |
Less: Allowance for doubtful accounts |  |  | (18 | ) |  |  | (62 | )
|  | $ | 2,689 |  |  | $ | 1,051 |
Inventories: |  |  |  |  |  |  |  |
Work-in-process |  | $ | 1,826 |  |  | $ | 1,397 |
Finished goods |  |  | 667 |  |  |  | 681 |
|  | $ | 2,493 |  |  | $ | 2,078 |
Other current assets: |  |  |  |  |  |  |  |
Prepaid expenses |  | $ | 1,305 |  |  | $ | 921 |
Other |  |  | 265 |  |  |  | 260 |
|  | $ | 1,570 |  |  | $ | 1,181 |
Property and equipment: |  |  |  |  |  |  |  |
Equipment |  | $ | 10,133 |  |  | $ | 10,341 |
Software |  |  | 1,803 |  |  |  | 1,878 |
Furniture and fixtures |  |  | 65 |  |  |  | 32 |
Leasehold improvements |  |  | 466 |  |  |  | 466 |
|  |  | 12,467 |  |  |  | 12,717 |
Accumulated depreciation and amortization |  |  | (12,002 | ) |  |  | (12,218 | )
|  | $ | 465 |  |  | $ | 499 |
Capitalized internal-use software: |  |  |  |  |  |  |  |
Capitalized software held for internal use |  | $ | 2,370 |  |  | $ | 1,699 |
Accumulated amortization |  |  | (856 | ) |  |  | (458 | )
|  | $ | 1,514 |  |  | $ | 1,241 |
Accrued liabilities: |  |  |  |  |  |  |  |
Accrued compensation |  | $ | 865 |  |  | $ | 740 |
Accrued employee benefits |  |  | 40 |  |  |  | 111 |
Accrued payroll tax |  |  | 57 |  |  |  | 102 |
Other |  |  | 547 |  |  |  | 712 |
|  | $ | 1,509 |  |  | $ | 1,665 |
The Company recorded depreciation and amortization expense of $0.7 million, $0.6 million and $0.8 million for the years ended January 1, 2023, January 2, 2022 and January 3, 2021, respectively. No interest was capitalized for any period presented. D epreciation and amortization expense included approximately $0.4 million, $0.5 million and $0.1 million in amortization expense of capitalized internal-use software for the years ended January 1, 2023, January 2, 2022 and January 3, 2021, respectively.

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI https://asc.fasb.org/topic&trid=2122208 + Details
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