Note 4 - Leases (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Lease, Cost [Table Text Block]

	Three Months Ended March 31,
	2020		2019
Operating lease expense	$	455	$	470
Short-term lease and variable lease expense		147		111
Total lease expense	$	602	$	581

	March 31,			December 31,
	2020			2019
Weighted average remaining lease term under operating ROU leases (in years)		7.04			7.2
Weighted average discount rate for operating lease liabilities		5.25	%		5.25	%
Operating lease ROU assets obtained (in thousands)	$	—		$	333

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

Year Ending December 31,	Amount(a)
2020 (remaining nine months)	$	1,529
2021		1,776
2022		1,567
2023		1,350
2024		1,070
2025 and thereafter		3,789
Total future minimum lease payments	$	11,081
Less: Interest(b)		(1,817	)
Present value of future minimum lease payments operating lease liabilities(c)	$	9,264