Related Party Transactions (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Jul. 01, 2016 |
Aug. 31, 2016 |
Jul. 31, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
|
| Public Relations Service | Company Owned By Board Member | |||||||
| Related Party Transaction [Line Items] | |||||||
| Professional fees monthly rate | $ 5 | $ 10 | |||||
| Amounts paid to related party | $ 0 | $ 21 | $ 0 | $ 83 | |||
| Content And Marketing Services | Company Owned by Employee | |||||||
| Related Party Transaction [Line Items] | |||||||
| Monthly revenue received per agreement | $ 5 | ||||||
| Revenue from Related Parties | $ 20 | $ 15 | |||||