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v3.22.1

Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Jan. 01, 2022 USD ($) | Jan. 02, 2021 USD ($)
Cash and Cash Equivalents, at Carrying Value, Ending Balance | $ 235 | $ 734
Annual Depreciation Rate | 20.00% |
Number of Reporting Units | 3 |
Goodwill, Impairment Loss | $ 0 | 0
Capitalized Computer Software, Additions | 1,256 | 305
Capitalized Computer Software, Net, Ending Balance | 1,350 | 1,389
Deferred Tax Assets, Valuation Allowance, Total | 0 | 0
Revenue from Contract with Customer, Including Assessed Tax | 203,875 | 150,409
Contract with Customer, Liability, Total | 3,400 | 400
Contract with Customer, Liability, Revenue Recognized | 400 | 400
Advertising Expense | $ 914 | $ 800
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Ginkgo Bioworks [Member] |  |
Concentration Risk, Percentage | 15.30% |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Hawaii Department of Education [Member] |  |
Concentration Risk, Percentage | 14.20% | 10.60%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | New York City Board of Education [Member] |  |
Concentration Risk, Percentage |  | 11.80%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Five Largest Customers [Member] |  |
Concentration Risk, Percentage | 35.80% | 33.40%
Number of Customers | 5 | 5
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Ten Largest Customers [Member] |  |
Concentration Risk, Percentage | 52.50% | 46.60%
Number of Customers | 10 | 10
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Twenty Largest Customers [Member] |  |
Concentration Risk, Percentage | 65.10% | 60.70%
Number of Customers | 20 | 20
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | New York City Board of Education [Member] |  |
Concentration Risk, Percentage |  | 10.60%
Transit Accounts Payable [Member] |  |
Accounts Payable, Current, Total | $ 2,100 | $ 4,900
Accounts Payable, Net | 1,100 | 2,400
Transit Accounts Receivable [Member] |  |
Accounts Receivable, before Allowance for Credit Loss, Current | 1,000 | 2,500
Service, Other [Member] |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 1,800 | 1,500
Restricted Covenants [Member] |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 4 years |
Customer Relationships [Member] |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 6 years |
CANADA |  |
Cash and Cash Equivalents, at Carrying Value, Ending Balance | $ 21 | 42
Revenue from Contract with Customer, Including Assessed Tax | 9,578 | 15,310
SERBIA |  |
Cash and Cash Equivalents, at Carrying Value, Ending Balance | 169 | 246
Revenue from Contract with Customer, Including Assessed Tax | $ 2,891 | $ 3,159

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