Note 10 - Debt (Tables)

12 Months Ended

Dec. 31, 2018

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 2018		Dec. 31 2017
Mt. Laurel, NJ	3/29/2010	3/31/2020	4/30/2021	$	125	$	125
Mansfield, MA	10/27/2010	11/08/2019	8/31/2021		50		50
				$	175	$	175