Patents and Licenses (Tables)

12 Months Ended

Dec. 31, 2020

Patents and Licenses

Schedule of Patents and Licenses

December 31, 2020						December 31, 2019
Weighted Average Original Life (years)		Gross Carrying Amount		Accumulated Amortization		Weighted Average Original Life (years)		Gross Carrying Amount		Accumulated Amortization
	15.67	$	13,840	$	12,419		15.67	$	13,840	$	12,301

Schedule of Future Amortization Expense

2021	$	119
2022	$	117
2023	$	113
2024	$	113
2025	$	112