Basis of Presentation and General Information (Summary of Disaggregation of Total Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 01, 2022	Apr. 02, 2021
Disaggregation Of Revenue [Line Items]
Total revenue	$ 75,664	$ 63,486
Consulting [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	74,498	62,109
Software License Sales [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 1,166	$ 1,301

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details