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Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Net operating loss, domestic	$ 59,600,000
Operating loss carry forwards expiration year	2033
Corporate tax rate	21.00%	34.00%
Accrual relating to uncertain tax positions	$ 0
Maximum
Income Taxes [Line Items]
Corporate tax rate		35.00%
Canada
Income Taxes [Line Items]
Accumulated non-capital losses in Canada	$ 1,500,000

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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