Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Revenue Recognition, Multiple-deliverable Arrangements [Line Items] | |||
| Capitalized computer software, amortization | $ 0.2 | ||
| Capitalized software costs | 2.6 | $ 0.3 | |
| Advertising expense | $ 0.4 | $ 0.7 | $ 0.4 |
| Cloud-Based Subscription Service [Member] | |||
| Revenue Recognition, Multiple-deliverable Arrangements [Line Items] | |||
| Contractual term of services (in years) | 3 years | ||
| Communication Services [Member] | |||
| Revenue Recognition, Multiple-deliverable Arrangements [Line Items] | |||
| Contractual term of services (in years) | 1 year | ||