Commitments and Contingencies (License Agreement) (Details)	12 Months Ended
	Dec. 31, 2018 USD ($) shares
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Minimum royalties payable	$ 50,000
Prescription Licensed Products [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Percentage of royalty payable	2.00%
License Agreement With Regents Of University Of California [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | shares	10,540
Annual maintenance fees and milestone fees	$ 5,000
Filing fees payabe	20,000
Phase 1 clinical trial payment	50,000
Phase 2 clinical trial payment	50,000
Phase 3 clinical trail payment	150,000
Payment on sale of license product	250,000
Minimum royalties payable in first year	20,000
Minimum increase in royalty payable	$ 15,000
License Agreement With Regents Of University Of California [Member] | Nonprescription Licensed Products [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Percentage of royalty payable	1.00%