Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Total revenue	$ 11,577	$ 16,688	$ 64,449	$ 56,446
Fixed-Price Revenue
Total revenue	7,037	4,670	35,822	19,088
Time-and-Material Revenue
Total revenue	$ 4,540	$ 12,018	$ 28,627	$ 37,358

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.

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+ Details