Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2020

Long-term Debt

Summary of long-term debt

	2022		2021
Various equipment notes payable to banks in monthly installments ranging from $1 to $2, including interest at 6.255 percent to 12.18 percent maturing from April 2022 through April 2023. The notes are collateralized by the financed equipment.	$	7	$	130
Total		7		130
Less current portion		7		120
Long-term portion	$	—	$	10