Concentrations - Additional Information (Detail) - Product Concentration Risk - Customer |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
Dec. 31, 2017 |
|
| Concentration Risk [Line Items] | |||
| Number of customers which represented more than 10% of the Company's accounts receivable | 0 | 0 | |
| Sales Revenue, Net | |||
| Concentration Risk [Line Items] | |||
| Number of customers which represented more than 10% of the Company's revenue | 0 | 0 | |
| Concentration Risk Percentage | 100.00% | 100.00% | |
| Account Receivable | |||
| Concentration Risk [Line Items] | |||
| Concentration Risk Percentage | 10.00% | 10.00% | |
| Minimum [Member] | Sales Revenue, Net | |||
| Concentration Risk [Line Items] | |||
| Concentration Risk Percentage | 10.00% | 10.00% | |
| X | ||||||||||
- Definition Entity wide accounts receivable, major customer, number. No definition available.
|
| X | ||||||||||
- Definition Entity wide revenue, major customer, number. No definition available.
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- 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://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|