Note 4 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Lease, Cost [Table Text Block]

	Year Ended
	December 30, 2019		December 31, 2018
Operating expense:
Amortization expense – Finance ROU		59		65
Lease expense – Operating ROU		433		316
Other expense:
Interest expense – Finance ROU		4		5

Lessee, Operating and Finance Lease, Liability, Maturity [Table Text Block]

	Operating			Finance
Period ending December 31,	ROU Leases			ROU Leases			Total
2020	$	362		$	45		$	407
2021		361			21			382
2022		369			—			369
2023		380			—			380
2024		352			—			352
	$	1,824		$	66		$	1,890
Less Interest*		(225	)		(2	)
	$	1,599		$	64