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Note 14 - Segment Information - Results of the Segments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2023 | Dec. 31, 2022 | Jan. 01, 2022
Revenues | $ 263,237 | $ 284,680 | $ 203,875
Cost of services | 186,541 | 201,753 | 150,751
Gross profit | 76,696 | 82,927 | 53,124
Selling, general and administrative | 52,185 | 53,395 | 42,019
Depreciation and amortization of property and equipment | 1,032 | 995 | 1,007
Amortization of acquired intangible assets | 182 | 46 | 95
Gain on sale of assets | (395) | (219) | (2,420)
Operating income | 23,692 | 28,798 | 14,136
Total assets | 120,484 | 87,964 | 72,852
Property and equipment acquired | 2,931 | 1,152 | 1,576
Remeasurement of acquisition-related contingent consideration | 0 | (88) | (1,713)
Operating income |  | 28,798 | 14,136
Specialty Health Care [Member] |  |  |
Revenues | 136,241 | 159,448 | 98,495
Cost of services | 96,309 | 111,543 | 73,177
Gross profit | 39,932 | 47,905 | 25,318
Selling, general and administrative | 26,010 | 27,661 | 19,491
Depreciation and amortization of property and equipment | 383 | 426 | 373
Amortization of acquired intangible assets | 0 | 0 | 0
Gain on sale of assets | 0 | 0 | 0
Operating income | 13,539 |  |
Total assets | 43,769 | 34,062 | 32,809
Property and equipment acquired | 141 | 75 | 563
Remeasurement of acquisition-related contingent consideration |  | 0 | 0
Operating income |  | 19,818 | 5,454
Engineering [Member] |  |  |
Revenues | 84,675 | 85,937 | 66,172
Cost of services | 64,071 | 64,218 | 50,109
Gross profit | 20,604 | 21,719 | 16,063
Selling, general and administrative | 16,964 | 17,272 | 14,210
Depreciation and amortization of property and equipment | 504 | 455 | 521
Amortization of acquired intangible assets | 0 | 0 | 95
Gain on sale of assets | (395) | (219) | (2,420)
Operating income | 3,531 |  |
Total assets | 46,425 | 33,447 | 28,343
Property and equipment acquired | 724 | 657 | 481
Remeasurement of acquisition-related contingent consideration |  | (88) | (1,713)
Operating income |  | 4,299 | 5,370
Life Sciences and IT [Member] |  |  |
Revenues | 42,321 | 39,295 | 39,208
Cost of services | 26,161 | 25,992 | 27,465
Gross profit | 16,160 | 13,303 | 11,743
Selling, general and administrative | 9,211 | 8,462 | 8,318
Depreciation and amortization of property and equipment | 145 | 114 | 113
Amortization of acquired intangible assets | 182 | 46 | 0
Gain on sale of assets | 0 | 0 | 0
Operating income | 6,622 |  |
Total assets | 18,586 | 15,778 | 8,676
Property and equipment acquired | 123 | 124 | 173
Remeasurement of acquisition-related contingent consideration |  | 0 | 0
Operating income |  | 4,681 | 3,312
Corporate Segment [Member] |  |  |
Revenues | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Gross profit | 0 | 0 | 0
Selling, general and administrative | 0 | 0 | 0
Depreciation and amortization of property and equipment | 0 | 0 | 0
Amortization of acquired intangible assets | 0 | 0 | 0
Gain on sale of assets | 0 | 0 | 0
Operating income | 0 |  |
Total assets | 11,704 | 4,677 | 3,024
Property and equipment acquired | $ 1,943 | 296 | 359
Remeasurement of acquisition-related contingent consideration |  | 0 | 0
Operating income |  | $ 0 | $ 0

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