Note 12 - Debt (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule Of Outstanding Letters Of Credit [Table Text Block]

		L/C	Lease	Letters of Credit Amount Outstanding
Facility	Original L/C Issue Date	Expiration Date	Expiration Date	Dec. 31 2021		Dec. 31 2020
Mt. Laurel, NJ	3/29/2010	4/30/2022	4/30/2031	$	50	$	90
Mansfield, MA	10/27/2010	12/31/2024	12/31/2024		50		50
				$	100	$	140

Schedule of Maturities of Long-term Debt [Table Text Block]

2022	$	4,100
2023		4,100
2024		4,100
2025		4,100
2026		3,700
	$	20,100