Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Income Taxes
Income taxes	$ 9,000	$ 1,000	$ 9,000	$ 4,000
Net deferred tax assets	0		0		$ 0
Net deferred tax liabilities	0		$ 0		0
Unrecognized tax benefits					$ 0
Percentage of tax withholding			5.00%
Amount of tax with-held	284,000		$ 284,000
Interest on tax	$ 20,000		$ 20,000