Fair Value (Details 3) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Assets held for sale	$ 300,000	$ 520,000
Fair Value Inputs Level 1
Assets held for sale	0	0
Fair Value Inputs Level 2
Assets held for sale	300,000	520,000
Fair Value Inputs Level 3
Assets held for sale	$ 0	$ 0