Note 20 - Commitments

12 Months Ended

Dec. 31, 2018

Commitments And Contingencies Disclosure [Abstract]

Commitments

(20) Commitments

The Company has operating leases expiring on various dates through the year 2029.  The leases are primarily for the rental of office space.  At December 31, 2018, future minimum commitments under non-cancelable operating lease arrangements were as follows:

Year ended December 31:
2019	$	1,004
2020		1,204
2021		1,126
2022		974
2023		937
2024 and thereafter		3,220
Total commitments	$	8,465

Total operating lease expense was $1,835, $2,334 and $2,044 for the years ended December 31, 2018, 2017 and 2016, respectively.

The Company is party to several unconditional purchase obligations resulting from contracts that contain legally binding provisions with respect to quantities, pricing and timing of purchases.  The Company’s purchase obligations includes commitments to purchase utilities.  At December 31, 2018, future commitments under these obligations were as follows:

Year ended December 31:
2019	$	8,777
2020		256
2021		27
2022		7
2023		-
Total commitments	$	9,067