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Note 14 - Segment Information - Continuing Operations (Detail) - Results of the segments (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 29, 2012
Sep. 29, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Oct. 01, 2011
Jul. 02, 2011
Apr. 02, 2011
Dec. 29, 2012
Dec. 31, 2011
Revenue $ 37,019 $ 34,839 $ 35,753 $ 38,206 $ 35,032 $ 33,559 $ 36,514 $ 38,706 $ 145,817 $ 143,811
Cost of services                 106,102 103,075
Selling, general and administrative                 33,166 32,578
Depreciation and amortization                 1,321 1,149
Operating income 1,330 1,107 1,015 1,776 2,187 742 2,023 2,057 5,228 7,009
Total assets 84,548       86,178       84,548 86,178
Capital expenditures                 511 274
Information Technology [Member]
                    
Revenue                 52,165 53,830
Cost of services                 36,931 38,469
Selling, general and administrative                 13,703 14,208
Depreciation and amortization                 477 439
Operating income                 1,054 714
Total assets 15,494       14,742       15,494 14,742
Capital expenditures                 59 15
Engineering [Member]
                    
Revenue                 66,631 62,612
Cost of services                 50,733 46,472
Selling, general and administrative                 12,124 11,081
Depreciation and amortization                 720 571
Operating income                 3,054 4,488
Total assets 39,441       27,857       39,441 27,857
Capital expenditures                 340 183
Specialty Health Care [Member]
                    
Revenue                 27,021 27,369
Cost of services                 18,438 18,134
Selling, general and administrative                 7,339 7,289
Depreciation and amortization                 124 139
Operating income                 1,120 1,807
Total assets 10,419       9,055       10,419 9,055
Capital expenditures                 8  
Corporate [Member]
                    
Total assets 19,194       34,524       19,194 34,524
Capital expenditures                 $ 104 $ 76