Summary of Significant Accounting Policies - Schedule of Customer Concentration Risk Percentage (Details) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Dec. 31, 2018 |
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| Top Five Customers [Member] | Revenue [Member] | |||||
| Concentration credit risk percentage | 47.00% | 54.00% | 55.00% | 38.00% | |
| Top Five Customers [Member] | Accounts Receivable [Member] | |||||
| Concentration credit risk percentage | 60.00% | 54.00% | |||
| Federal Agencies [Member] | Revenue [Member] | |||||
| Concentration credit risk percentage | 9.00% | 12.00% | 14.00% | 8.00% | |
| Federal Agencies [Member] | Accounts Receivable [Member] | |||||
| Concentration credit risk percentage | 5.00% | 5.00% | |||
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- Definition 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://fasb.org/us-gaap/role/ref/legacyRef
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