Income Taxes - Effective tax rate (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure
Tax (benefit) at statutory rate	$ (141,000)	$ (48,000)
State and local taxes	(69,000)	(24,000)
Permanent differences	0	0
Change in valuation allowance	210,000	72,000
Tax due	$ 0	$ 0