Accounts Receivable and Significant Concentrations (Details 2) - Sales Revenue, Net	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
U.S. Immigration and Customs Enforcement
Concentration risk	11.00%	15.00%
U.S. Customs Boarder Patrol
Concentration risk	6.00%	14.00%
U.S. Census Bureau
Concentration risk	37.00%	0.00%

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
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-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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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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