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Subsequent Events (Details Narrative) - Subsequent Event [Member]	May 06, 2019 USD ($)
Asset Purchase Agreement [Member]
Percentage of net sales	3.00%
Asset Purchase Agreement [Member] | Eton Pharmaceuticals, Inc. [Member]
Business acquisition of milestone payments	$ 1,000
Net sales	50,000
Milestone Payment [Member] | Eton Pharmaceuticals, Inc. [Member]
Business acquisition of milestone payments	100
Milestone Payment [Member] | Eton Pharmaceuticals, Inc. [Member]
Business acquisition of milestone payments	200
Milestone Payment [Member] | Eton Pharmaceuticals, Inc. [Member]
Business acquisition of milestone payments	$ 700

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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