Income Taxes (Details Narrative)	12 Months Ended
	Dec. 31, 2018 USD ($)
California [Member]
Operating loss carryforwards	$ 30,521,000
Deferred tax assets, tax credit carryforwards, research and development	1,146,000
New Jersey [Member]
Operating loss carryforwards	26,222,000
Federal Tax [Member]
Operating loss carryforwards	$ 100,188,000
Net operating loss carryforwards expiration term	Expire at various dates from 2019 through 2038
Deferred tax assets, tax credit carryforwards, research and development	$ 1,872,000
Research and development tax credit carryforwards expiration term	Expire at various dates from 2019 through 2032
State Tax [Member]
Operating loss carryforwards	$ 56,743,000
Net operating loss carryforwards expiration term	Expire at various dates from 2019 through 2028