Note 6 - LEASES (Tables)

6 Months Ended

Jun. 30, 2021

Lease expense was comprised of the following (in thousands):


	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Operating lease expense		484	$	452		969	$	907
Short-term lease and variable lease expense (1)		233		127		407		274
Total lease expense	$	717	$	579	$	1,376	$	1,181

(1)

Leases with an initial term of 12 months or less are not recorded on the condensed consolidated balance sheets, and the Company recognizes lease expense for these leases on a straight-line basis over the lease term. Variable lease expense for the periods presented primarily included common area maintenance charges.

Supplemental information related to operating leases was as follows:


	June 30,			December 31,
	2021			2020
Weighted average remaining lease term under operating ROU leases (in years)		6.2			6.4
Weighted average discount rate for operating lease liabilities		5.24	%		5.24	%

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

Maturities of operating lease liabilities as of June 30, 2021, were as follows (in thousands):


Year Ending December 31,	Amount(1)
2021 (remaining six months)	$	930
2022		1,699
2023		1,385
2024		1,074
2025		1,089
2026 and thereafter		2,704
Total future minimum lease payments	$	8,881
Less: Interest(2)		(1,279)
Present value of future minimum lease payments under operating lease liabilities (3)	$	7,602

(1)

As of June 30, 2021, the total operating lease liability includes approximately $1.1 million related to an option to extend a lease term that is reasonably certain to be exercised.

(2)

Calculated using incremental borrowing interest rate for each lease.

(3)

Includes the current portion of operating lease liabilities of $1.8 million as of June 30, 2021.