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Note 14 - Segment Information - Results of the Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 27, 2020 | Jun. 29, 2019 | Jun. 27, 2020 | Jun. 29, 2019 | Dec. 28, 2019
Revenues | $ 32,652 | $ 50,705 | $ 77,685 | $ 102,300 |
Cost of services | 24,149 | 37,902 | 58,339 | 76,980 |
Gross profit | 8,503 | 12,803 | 19,346 | 25,320 |
Selling, general and administrative | 8,994 | 10,202 | 19,231 | 20,667 |
Depreciation and amortization | 326 | 408 | 661 | 805 |
Write-off of receivables and professional fees incurred related to arbitration | 350 |  | 8,397 |  |
Operating income (loss) | (1,167) | 2,193 | (8,943) | 3,848 |
Total assets | 70,178 | 92,099 | 70,178 | 92,099 | $ 96,173
Capital expenditures | 116 | 137 | 151 | 238 |
Engineering [Member] |  |  |  |  |
Revenues | 14,038 | 18,583 | 28,201 | 37,638 |
Cost of services | 9,804 | 13,324 | 20,001 | 27,682 |
Gross profit | 4,234 | 5,259 | 8,200 | 9,956 |
Selling, general and administrative | 3,349 | 3,675 | 6,723 | 7,491 |
Depreciation and amortization | 234 | 302 | 472 | 586 |
Write-off of receivables and professional fees incurred related to arbitration | 350 |  | 8,397 |  |
Operating income (loss) | 301 | 1,282 | (7,392) | 1,879 |
Total assets | 40,699 | 50,520 | 40,699 | 50,520 |
Capital expenditures | 21 | 25 | 30 | 87 |
Specialty Health Care [Member] |  |  |  |  |
Revenues | 10,684 | 23,370 | 32,881 | 47,540 |
Cost of services | 8,487 | 18,057 | 26,311 | 36,593 |
Gross profit | 2,197 | 5,313 | 6,570 | 10,947 |
Selling, general and administrative | 3,208 | 4,285 | 7,682 | 8,779 |
Depreciation and amortization | 70 | 86 | 147 | 177 |
Write-off of receivables and professional fees incurred related to arbitration |  |  |  |  |
Operating income (loss) | (1,081) | 942 | (1,259) | 1,991 |
Total assets | 15,570 | 28,030 | 15,570 | 28,030 |
Capital expenditures |  | 88 | 10 | 104 |
Information Technology [Member] |  |  |  |  |
Revenues | 7,930 | 8,752 | 16,603 | 17,122 |
Cost of services | 5,858 | 6,521 | 12,027 | 12,705 |
Gross profit | 2,072 | 2,231 | 4,576 | 4,417 |
Selling, general and administrative | 2,437 | 2,242 | 4,826 | 4,397 |
Depreciation and amortization | 22 | 20 | 42 | 42 |
Write-off of receivables and professional fees incurred related to arbitration |  |  |  |  |
Operating income (loss) | (387) | (31) | (292) | (22) |
Total assets | 7,815 | 8,028 | 7,815 | 8,028 |
Capital expenditures | 20 | 4 | 35 | 17 |
Corporate Segment [Member] |  |  |  |  |
Revenues |  |  |  |  |
Cost of services |  |  |  |  |
Gross profit |  |  |  |  |
Selling, general and administrative |  |  |  |  |
Depreciation and amortization |  |  |  |  |
Write-off of receivables and professional fees incurred related to arbitration |  |  |  |  |
Operating income (loss) |  |  |  |  |
Total assets | 6,094 | 5,521 | 6,094 | 5,521 |
Capital expenditures | $ 75 | $ 20 | $ 76 | $ 30 |

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