Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid insurance	$ 321	$ 145
Prepaid software licenses	214	96
Prepaid network costs	162	0
Other prepaid expenses	125	159
Prepaid maintenance contracts	84	117
Prepaid taxes	72	0
Due from vendors	0	36
Prepaid expenses and other current assets	$ 978	$ 553