Intangible Assets and Goodwill - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Finite Lived Intangible Assets [Line Items]
Intangible assets, carrying value	$ 2,201	$ 2,478
Intangible assets, accumulated amortization	(781)	(447)
Total intangible assets, net	1,420	2,031
Internal-use software
Finite Lived Intangible Assets [Line Items]
Intangible assets, carrying value	1,314	1,591
Intangible assets, accumulated amortization	(434)	(219)
Developed Technology
Finite Lived Intangible Assets [Line Items]
Intangible assets, carrying value	522	522
Intangible assets, accumulated amortization	(191)	(126)
Trademarks/Trade Names
Finite Lived Intangible Assets [Line Items]
Intangible assets, carrying value	201	201
Intangible assets, accumulated amortization	(59)	(39)
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Intangible assets, carrying value	164	164
Intangible assets, accumulated amortization	$ (97)	$ (63)