Commitments and contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Rent Expense

Hudson utilizes leased facilities and operates equipment under non-cancelable operating leases through July 2030. Below is a table of key properties :

Properties

Location	Annual Rent		Lease Expiration Date
Auburn, Washington	$	39,000	8/2018
Baton Rouge, Louisiana	$	23,000	5/2019
Catano, Puerto Rico	$	124,000	12/2020
Champaign, Illinois	$	504,000	12/2018
Charlotte, North Carolina	$	26,000	5/2019
Escondido, California	$	36,000	Month to Month
Hampstead, New Hampshire	$	52,000	8/2022
Nashville, Tennessee	$	173,000	3/2018
Long Beach, California	$	26,400	2/2020
Long Island City, New York	$	782,000	7/2018
Ontario, California	$	90,000	12/2018
Pearl River, New York	$	150,000	12/2021
Pottsboro, Texas	$	6,000	8/2017
Riverside, California	$	27,000	Month to Month
Smyrna, Georgia	$	446,000	7/2030
Stony Point, New York	$	90,000	6/2021
Tulsa, Oklahoma	$	27,000	12/2017

Summarized table of future commitments under operating leases

Future commitments under operating leases are summarized as follows:

Years ended December 31,	Amount
(in thousands)
-2018	$	2,374
-2019		1,183
-2020		1,155
-2021		958
-2022		655
Thereafter		3,943
Total	$	10,268