Income Taxes (Details 3) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Liability for uncertain tax positions, beginning	$ 643,000	$ 613,000
Increases due to interest and state tax	34,000	30,000
Liability for uncertain tax positions, ending	$ 677,000	$ 643,000