Basis of Presentation and Significant Accounting Policies - Concentration of Credit Risk and Significant Customers (Details) - Customer Concentration Risk |
3 Months Ended | 6 Months Ended | ||||
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Jun. 30, 2019 |
Dec. 31, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
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Customer A | REVENUES | ||||||
Concentration Risk [Line Items] | ||||||
Concentration risk, percentage | 6.00% | 65.00% | 22.00% | 65.00% | ||
Customer A | ACCOUNTS RECEIVABLE | ||||||
Concentration Risk [Line Items] | ||||||
Concentration risk, percentage | 61.00% | 65.00% | ||||
Customer B | REVENUES | ||||||
Concentration Risk [Line Items] | ||||||
Concentration risk, percentage | 26.00% | 9.00% | 23.00% | 11.00% | ||
Customer B | ACCOUNTS RECEIVABLE | ||||||
Concentration Risk [Line Items] | ||||||
Concentration risk, percentage | 9.00% | 3.00% | ||||
Customer C | REVENUES | ||||||
Concentration Risk [Line Items] | ||||||
Concentration risk, percentage | 5.00% | 0.00% | 10.00% | 0.00% | ||
Customer C | ACCOUNTS RECEIVABLE | ||||||
Concentration Risk [Line Items] | ||||||
Concentration risk, percentage | 1.00% | 2.00% |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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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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