Income Taxes (Details Narrative) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, expiration date	expire in 2024 through 2037.
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 327.6
Operating loss carryforwards, not subject to limitation	17.0
Domestic Tax Authority [Member] | Expire in 2024 Through 2037 [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	310.3
Domestic Tax Authority [Member] | Unrestricted [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	258.3
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	252.6
State and Local Jurisdiction [Member] | Unrestricted [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 252.6
California [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, expiration date	expire in 2029 through 2039.