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Note 14 - Segment Information (Detail) - Results of the segments (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Dec. 31, 2011
Revenue $ 34,839 $ 33,559 $ 108,798 $ 108,779  
Cost of services 25,164 24,461 79,182 78,171  
Selling, general and administrative 8,153 8,077 24,766 24,919  
Depreciation and amortization 415 279 953 867  
Operating income 1,107 742 3,897 4,822  
Total assets 88,742 93,930 88,742 93,930 86,178
Capital expenditures 139 77 250 235  
Information Technology [Member]
          
Revenue 12,373 12,537 39,520 41,224  
Cost of services 8,739 9,238 27,945 29,815  
Selling, general and administrative 3,323 3,437 10,564 10,987  
Depreciation and amortization 89 109 282 336  
Operating income 222 (247) 729 86  
Total assets 13,944 14,508 13,944 14,508  
Capital expenditures 9   57 2  
Engineering [Member]
          
Revenue 17,142 15,609 48,529 47,614  
Cost of services 12,845 11,689 37,112 35,141  
Selling, general and administrative 3,088 2,764 8,659 8,504  
Depreciation and amortization 298 139 575 428  
Operating income 911 1,017 2,183 3,541  
Total assets 30,148 32,366 30,148 32,366  
Capital expenditures 107 77 170 158  
Specialty Health Care [Member]
          
Revenue 5,324 5,413 20,749 19,941  
Cost of services 3,580 3,534 14,125 13,215  
Selling, general and administrative 1,742 1,876 5,543 5,428  
Depreciation and amortization 28 31 96 103  
Operating income (26) (28) 985 1,195  
Total assets 9,088 7,096 9,088 7,096  
Corporate [Member]
          
Total assets 35,562 39,960 35,562 39,960  
Capital expenditures $ 23   $ 23 $ 75