Significant Accounting Policies - Additional Information (Detail) - USD ($) |
Sep. 30, 2017 |
Dec. 31, 2016 |
---|---|---|
Accounting Policies [Abstract] | ||
Uninsured portion of cash balance | $ 4,081,569 | $ 3,830,618 |
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- Definition The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation. No definition available.
|