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Note 14 - Segment Information - Results of the Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 26, 2020 | Sep. 28, 2019 | Sep. 26, 2020 | Sep. 28, 2019 | Dec. 28, 2019
Revenues | $ 31,561 | $ 40,250 | $ 109,246 | $ 142,550 |
Cost of services | 22,741 | 29,635 | 81,080 | 106,615 |
Gross profit | 8,820 | 10,615 | 28,166 | 35,935 |
Selling, general and administrative | 8,606 | 9,498 | 27,837 | 30,165 |
Depreciation and amortization | 372 | 386 | 1,033 | 1,191 |
Operating income (loss) | (158) | 731 | (9,101) | 4,579 |
Total assets | 62,553 | 91,740 | 62,553 | 91,740 | $ 96,173
Capital expenditures | 249 | 63 | 400 | 301 |
Write-off of receivables and professional fees incurred related to arbitration |  |  | 8,397 |  |
Engineering [Member] |  |  |  |  |
Revenues | 15,087 | 15,140 | 43,288 | 52,778 |
Cost of services | 10,674 | 10,984 | 30,673 | 38,666 |
Gross profit | 4,413 | 4,156 | 12,615 | 14,112 |
Selling, general and administrative | 3,359 | 2,996 | 10,073 | 10,486 |
Depreciation and amortization | 252 | 293 | 720 | 879 |
Operating income (loss) | 802 | 867 | (6,575) | 2,747 |
Total assets | 34,961 | 53,639 | 34,961 | 53,639 |
Capital expenditures | (37) | (11) | (7) | 76 |
Write-off of receivables and professional fees incurred related to arbitration |  |  | 8,397 |  |
Specialty Health Care [Member] |  |  |  |  |
Revenues | 9,015 | 16,765 | 41,896 | 64,305 |
Cost of services | 6,724 | 12,795 | 33,037 | 49,395 |
Gross profit | 2,291 | 3,970 | 8,859 | 14,910 |
Selling, general and administrative | 2,989 | 4,205 | 10,682 | 12,990 |
Depreciation and amortization | 82 | 74 | 235 | 250 |
Operating income (loss) | (780) | (309) | (2,058) | 1,670 |
Total assets | 14,349 | 25,822 | 14,349 | 25,822 |
Capital expenditures | 7 | 2 | 17 | 107 |
Write-off of receivables and professional fees incurred related to arbitration |  |  |  |  |
Information Technology [Member] |  |  |  |  |
Revenues | 7,459 | 8,345 | 24,062 | 25,467 |
Cost of services | 5,343 | 5,856 | 17,370 | 18,554 |
Gross profit | 2,116 | 2,489 | 6,692 | 6,913 |
Selling, general and administrative | 2,258 | 2,297 | 7,082 | 6,689 |
Depreciation and amortization | 38 | 19 | 78 | 62 |
Operating income (loss) | (180) | 173 | (468) | 162 |
Total assets | 7,858 | 7,773 | 7,858 | 7,773 |
Capital expenditures | 8 | 19 | 43 | 36 |
Write-off of receivables and professional fees incurred related to arbitration |  |  |  |  |
Corporate Segment [Member] |  |  |  |  |
Revenues |  |  |  |  |
Cost of services |  |  |  |  |
Gross profit |  |  |  |  |
Selling, general and administrative |  |  |  |  |
Depreciation and amortization |  |  |  |  |
Operating income (loss) |  |  |  |  |
Total assets | 5,385 | 4,506 | 5,385 | 4,506 |
Capital expenditures | $ 271 | $ 53 | 347 | $ 82 |
Write-off of receivables and professional fees incurred related to arbitration |  |  |  |  |

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