Income Taxes [Line Items]

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Operating loss carryforwards expiration year.

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Tax cuts and jobs act of 2017, incomplete accounting, change in tax rate, deferred tax assets, change in amount.

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Tax cuts and jobs act of 2017, incomplete accounting, change in tax rate, deferred tax assets valuation allowance, change in amount.

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Tax cuts and jobs act of 2017, incomplete accounting, change in tax rate, income tax expense (benefit).

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount recognized for uncertainty in income taxes classified as current.

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Income Taxes - Additional Information (Details) - USD ($)	9 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Net operating loss, domestic			$ 39,000,000
Operating loss carry forwards expiration year			2033
Corporate tax rate	34.00%		34.00%
Tax cuts and jobs act, reduction in deferred tax assets			$ 5,900,000
Tax cuts and jobs act, reduction in valuation allowance			5,900,000
Tax cuts and jobs act, income tax provision			0
Accrual relating to uncertain tax positions			$ 0
Scenario, Plan
Income Taxes [Line Items]
Corporate tax rate		21.00%
Maximum
Income Taxes [Line Items]
Corporate tax rate			35.00%
Canada
Income Taxes [Line Items]
Accumulated non-capital losses in Canada			$ 6,000,000