Significant Accounting Policies - Net Loss Per Share, Basic and Diluted (Details) - $ / shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2017 |
Mar. 31, 2016 |
|
| Accounting Policies [Abstract] | ||
| Difference between basic net loss per share and diluted net loss per share (usd per share) | $ 0 | $ 0 |
| X | ||||||||||
- Definition The amount of difference between basic net income (loss) per share and diluted net income (loss) per share due to the impact of anti-dilutive items during the period. No definition available.
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| X | ||||||||||
- References No definition available.
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