Discontinued Operations - Summary of Financial Information for Discontinued Operations (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Discontinued Operations and Disposal Groups [Abstract] | ||||||
| Net revenue | $ 22,280 | |||||
| Cost of net revenue | 14,623 | |||||
| Gross profit | 7,657 | |||||
| Operating expense: | ||||||
| Sales and marketing | 4,825 | |||||
| Technology and development | 3,030 | |||||
| General and administrative | 1,375 | |||||
| Impairment charge | 7,311 | |||||
| Total operating expense | 16,541 | |||||
| Loss from operations | (8,884) | |||||
| Interest expense | (17) | |||||
| Gain on sale of assets | 17,319 | |||||
| Income (loss) from discontinued operations, net of tax | $ 0 | $ 1,610 | $ (7,704) | $ 14,512 | $ 0 | $ 8,418 |