Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2021	Mar. 31, 2020	Dec. 31, 2020
Summary of Significant Accounting Policies (Details) [Line Items]
Allowance for trade accounts receivable	$ 2,000		$ 2,200
Allowance for unbilled receivables	$ 400		400
Time and material contract percentage	90.00%	95.00%
Performance obligations	$ 689,000		628,000
Remaining performance obligations	$ 413,000		377,000
Performance obligation expected recognized percentage	60.00%
Other current liabilities	$ 0
Revenue recognized contract liability	0	$ 32
Refund liability	$ 0		$ 0
Revenue, percentage	50.00%
Revenue, percentage	90.00%
Equity compensation	$ 446	$ 9,845
Preferred units dividend percentage	5.00%
Preferred stock additional cash percentage	6.25%
Additional preferred stock percentage	7.25%
Liquidation preference percentage	103.00%
Subscription Agreement [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Value of liquidation preference	$ 1,000
Atlas Credit Agreement [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Liquidation preference percentage	3.5625%