Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax examination, likelihood of unfavorable settlement			greater than 50 percent
Uncertain tax positions	$ 0		$ 0	$ 0
Accrued interest or penalties	0		0	0
Recognized interest or penalties	$ 0	$ 0
Income taxes paid other than state minimum taxes			$ 0	$ 0
U.S. federal corporate tax rate			21.00%	35.00%
Tax cuts and jobs act of 2017, change in tax rate, decrease in deferred tax assets			$ 16,232,211
Tax cuts and jobs act of 2017, change in tax rate, net adjustment in deferred tax expense			$ 0
Percentage of taxable income in utilization of net operating losses			80.00%
Net operating loss carryforwards expiration period			20 years