Income Taxes (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating loss carryforwards	$ 104,800,000
Net operating loss carryovers expiring unused	96,900,000
Reserves for uncertain tax positions	100,000	$ 100,000
Accrued interest and penalties	100,000
Federal [Member]
Net operating loss carryovers expiring unused	$ 279,800,000
Federal [Member] | Minimum [Member]
Operating loss carryforwards, expiration date	Dec. 31, 2030
Federal [Member] | Maximum [Member]
Operating loss carryforwards, expiration date	Dec. 31, 2037
State [Member]
Net operating loss carryovers expiring unused	$ 2,000,000
Number of prior years subject to examination	10 years
State [Member] | Minimum [Member]
Operating loss carryforwards, expiration date	Dec. 31, 2020
State [Member] | Maximum [Member]
Operating loss carryforwards, expiration date	Dec. 31, 2039