Income Taxes (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2020
Income Tax [Line Items]
Reserve for uncertain tax positions		$ 0
Income tax benefit	$ 82,000
Research Tax Credit Carryforward | Federal | Protecting Americans from Tax Hikes Act of 2015
Income Tax [Line Items]
Income tax benefit	$ 82,000