Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Loss Carryforwards [Line Items]
NOL carry forward		$ 7,069,776	$ 0
Valuation Allowance		$ 3,385,932	$ 0
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		35.00%	35.00%
Operating Loss Carryforwards, Limitations on Use		use of the Company's net operating loss and credit carryforwards may be limited if a cumulative change in ownership of more than 50% occurs within any three-year period since the last ownership change.
Operating Loss Carryforwards, Limitation Rate on Taxable Income		80.00%
Increase Decrease in Deferred Tax Assets Due To Change in Enacted Tax Rate		$ 6,600,000
Increase Decrease in Deferred Tax Liabilities Due To Change in Enacted Tax Rate		16,300,000
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount		9,700,000
Scenario, Plan [Member]
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Fedaral [Member]
Operating Loss Carryforwards [Line Items]
NOL carry forward		25,100,000	$ 28,000,000
California [Member]
Operating Loss Carryforwards [Line Items]
NOL carry forward		$ 25,100,000	$ 28,000,000
Minimum [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss CarryForwards Expiration Period		2026
Maximum [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss CarryForwards Expiration Period		2037