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Note 1 - Summary of Significant Accounting Policies (Detail) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 29, 2012 | Dec. 31, 2011 | Jan. 01, 2011
Cash and Cash Equivalents, at Carrying Value (in Dollars) | $ 14,123,000 | $ 28,417,000 | $ 24,704,000
Capitalized Computer Software, Additions (in Dollars) | 101,000 | 82,000 |
Capitalized Computer Software, Net (in Dollars) | 253,000 |  |
Advertising Expense (in Dollars) | 497,000 | 596,000 |
United Technologies Corporation [Member] | Accounts Receivable [Member] |  |  |
Concentration Risk, Percentage | 7.50% | 15.40% |
United Technologies Corporation [Member] |  |  |
Entity-Wide Revenue, Major Customer, Percentage | 11.80% | 12.60% |
New York Power Authority [Member] | Transit [Member] |  |  |
Accounts Receivable, Net (in Dollars) | 6,900,000 | 3,000,000 |
New York Power Authority [Member] | Accounts Receivable [Member] |  |  |
Concentration Risk, Percentage | 23.30% | 17.00% |
New York Power Authority [Member] |  |  |
Accounts Receivable, Net (in Dollars) |  | 7,200,000 |
New York City Department of Education [Member] | Accounts Receivable [Member] |  |  |
Concentration Risk, Percentage |  | 10.00% |
New York City Department of Education [Member] |  |  |
Accounts Receivable, Net (in Dollars) | 12,500,000 |  |
Ontario Power Generation [Member] | Transit [Member] |  |  |
Accounts Receivable, Net (in Dollars) | 1,900,000 |  |
Ontario Power Generation [Member] | Accounts Receivable [Member] |  |  |
Concentration Risk, Percentage | 11.80% |  |
Ontario Power Generation [Member] |  |  |
Accounts Receivable, Net (in Dollars) | 6,300,000 |  |
Top Five [Member] |  |  |
Entity-Wide Revenue, Major Customer, Percentage | 37.40% | 38.20% |
Top Ten [Member] |  |  |
Entity-Wide Revenue, Major Customer, Percentage | 46.90% | 47.70% |
Top Twenty [Member] |  |  |
Entity-Wide Revenue, Major Customer, Percentage | 57.50% | 57.70% |
Bruce Power [Member] | Accounts Receivable [Member] |  |  |
Concentration Risk, Percentage |  | 5.60% |
Bruce Power [Member] |  |  |
Entity-Wide Revenue, Major Customer, Percentage |  | 10.40% |
Information Technology Total Gross Billings [Member] |  |  |
Technology Services Revenue (in Dollars) | 64,800,000 |  |
Maintenance Revenue (in Dollars) | 15,300,000 |  |
Transit [Member] |  |  |
Accounts Receivable, Net (in Dollars) | 10,000,000 |  |
Accounts Payable (in Dollars) | 12,000,000 |  |
ERP Software [Member] |  |  |
Property, Plant and Equipment, Useful Life | 15 years |  |
VOIP Telephone System [Member] |  |  |
Property, Plant and Equipment, Useful Life | 7 years |  |
Office Equipment [Member] |  |  |
Property, Plant and Equipment, Useful Life | 5 years |  |
Canada [Member] |  |  |
Cash and Cash Equivalents, at Carrying Value (in Dollars) | $ 3,100,000 | $ 4,500,000 |
Minimum [Member] | Accounts Receivable [Member] |  |  |
Concentration Risk, Percentage | 10.00% | 10.00% |
Minimum [Member] |  |  |
Entity-Wide Revenue, Major Customer, Percentage | 10.00% | 10.00% |
Sales Revenue, Services, Net [Member] |  |  |
Concentration Risk, Percentage | 10.50% | 4.20% |
Restricted Covenants [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life | 4 years |  |
Customer Relationships [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life | 6 years |  |

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