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v3.19.3.a.u2

Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 30, 2017 | Dec. 28, 2019 | Dec. 29, 2018
Cash and Cash Equivalents, at Carrying Value, Ending Balance | $ 2,851 | $ 1,847 | $ 482
Accounts Receivable, after Allowance for Credit Loss, Current, Total |  | $ 59,760 | 52,335
Annual Depreciation Rate |  | 20.00% |
Number of Reporting Units |  | 3 |
Goodwill, Impairment Loss |  | $ 0 | 0
Capitalized Computer Software, Additions |  | 139 | 1,150
Capitalized Computer Software, Net, Ending Balance |  | 1,726 | 2,255
Deferred Tax Assets, Valuation Allowance, Total |  | $ 0 | $ 0
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 35.00% | 21.00% | 21.00%
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability |  |  | $ 1,000
Revenue from Contract with Customer, Including Assessed Tax |  | $ 191,100 | 200,352
Contract with Customer, Liability, Total |  | 400 | 200
Contract with Customer, Liability, Revenue Recognized |  | 200 | 600
Advertising Expense |  | $ 855 | $ 671
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | New York City Board of Education [Member] |  |  |
Concentration Risk, Percentage |  | 17.60% | 13.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Hawaii Department of Education [Member] |  |  |
Concentration Risk, Percentage |  | 11.10% |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Five Largest Customers [Member] |  |  |
Concentration Risk, Percentage |  | 43.50% | 40.90%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Ten Largest Customers [Member] |  |  |
Concentration Risk, Percentage |  | 57.00% | 54.60%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Twenty Largest Customers [Member] |  |  |
Concentration Risk, Percentage |  | 69.20% | 67.40%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | New York City Board of Education [Member] |  |  |
Concentration Risk, Percentage |  | 17.60% | 16.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Hawaii Department of Education [Member] |  |  |
Concentration Risk, Percentage |  | 12.70% |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | New York Power Authority [Member] |  |  |
Concentration Risk, Percentage |  | 24.60% | 22.70%
Total Accounts Receivable and Transit Accounts Receivable [Member] | Customer Concentration Risk [Member] | New York Power Authority [Member] |  |  |
Concentration Risk, Percentage |  | 27.30% | 23.30%
Service, Other [Member] |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | $ 1,800 | $ 1,800
Restricted Covenants [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 4 years |
Customer Relationships [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 6 years |
Transit Accounts Payable [Member] |  |  |
Accounts Payable, Current, Total |  | $ 4,600 | 2,500
Transit Accounts Receivable [Member] |  |  |
Accounts Receivable, before Allowance for Credit Loss, Current |  | 4,900 | 2,600
Accounts Receivable, after Allowance for Credit Loss, Current, Total |  | 300 | 100
CANADA |  |  |
Cash and Cash Equivalents, at Carrying Value, Ending Balance |  | 56 | 32
Revenue from Contract with Customer, Including Assessed Tax |  | 16,822 | 27,869
SERBIA |  |  |
Cash and Cash Equivalents, at Carrying Value, Ending Balance |  | 129 | 61
Revenue from Contract with Customer, Including Assessed Tax |  | $ 2,586 | $ 2,058

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