Income Taxes - Net Operating Loss Carryover (Details)	Dec. 31, 2018 USD ($)
Federal
Net operating loss carryovers
Net operating loss carryovers	$ 43,770,861
California
Net operating loss carryovers
Net operating loss carryovers	$ 40,830,415

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

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