Note 9 - Debt (Tables)

12 Months Ended

Dec. 31, 2019

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 2019		Dec. 31 2018
Mt. Laurel, NJ	3/29/2010	3/31/2020	4/30/2021	$	90	$	125
Mansfield, MA	10/27/2010	12/31/2024	12/31/2024		50		50
				$	140	$	175