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Note 10 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Jan. 02, 2022
Jan. 03, 2021
Net operating losses $ 45,197 $ 43,703
Accruals and reserves 1,347 1,239
Credits carryforward 5,660 5,860
Depreciation and amortization 7,820 9,240
Stock-based compensation 403 485
Operating lease liability 409 469
Gross deferred tax assets 60,836 60,996
Right-of-use asset (400) (458)
Withholding tax on future distribution (125) 0
Gross deferred tax assets (525) (458)
Net deferred tax assets 60,311 60,538
Valuation allowance (60,353) (60,486)
Total deferred tax assets $ (42)  
Total deferred tax liability   $ 52