Assets and Liabilities Held for Sale - Summary of Captira Sale (Details) - Disposal Group, Not Discontinued Operations - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Assets of disposal group held for sale:
Cash and cash equivalents	$ 0	$ 321
Accounts receivable, net	0	177
Prepaid expenses and other current assets	10	97
Property and equipment, net	67	247
Other assets	9	6
Write-down to fair value	(86)	(744)
Total assets of disposal group held for sale	0	104
Liabilities of disposal group held for sale:
Accounts payable	0	9
Accrued expenses and other current liabilities	0	15
Accrued payroll and employee benefits	0	80
Total liabilities of disposal group held for sale	0	$ 104
Habits at Work
Assets of disposal group held for sale:
Write-down to fair value	$ (86)