Indebtedness (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Required principal payments during the next five years and thereafter

The required principal payments due during the next five years and thereafter under all our outstanding debt at December 31, 2019 are as follows:

2020	$	—
2021	400,000
2022	877,000
2023	900,000
2024	1,175,000
Thereafter	2,775,000
	$	6,127,000