Accounts Receivable and Significant Concentrations (Details 1) - Accounts Receivable	6 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2020
U.S. Department of Homeland Security Headquarters
Concentration risk	23.00%	0.00%
U.S. Coast Guard
Concentration risk	10.00%	0.00%
National Aeronautics and Space Administration
Concentration risk	11.00%	0.00%
U.S. Census Bureau
Concentration risk	12.00%	70.00%

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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