Unbilled Accounts Receivable (Details)	3 Months Ended	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
U.S Federal Government
Concentration risk	77.70%	82.00%
U.S Federal Government \| Accounts Receivable
Concentration risk	94.00%		97.00%
Commercial
Concentration risk	21.60%	17.60%
Commercial \| Accounts Receivable
Concentration risk	6.00%		3.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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