Equipment and Leasehold Improvements

Equipment and leasehold improvements as of September 28, 2018 and December 29, 2017 consisted of the following:



	Useful Lives	September 28, 2018			December 29, 2017
Land	Indefinite	$	1,170		$	1,170
Buildings	20 years	1,489			1,292
Machinery and equipment	5-10 years	17,672			16,183
Computers, data processing and other equipment	3-7 years	10,672			9,924
Leasehold improvements	7-22 years	57,655			53,653
Furniture and fixtures	7 years	3,287			3,100
Vehicles	5-7 years	3,082			2,570
Other	7 years	95			95
Construction-in-process		9,299			15,030
		104,421			103,017
Less: accumulated depreciation and amortization		(39,869		)	(34,639		)
Equipment and leasehold improvements, net		$	64,552		$	68,378

Construction-in-process at September 28, 2018 related primarily to the implementation of the Company’s Enterprise Resource Planning (“ERP”) system and the buildout of the Company’s distribution centers in Union City, CA and Toronto, Canada. Construction-in-process at December 29, 2017 related primarily to the implementation of the Company’s ERP system and the buildout of the Company’s distribution center in Union City CA. The buildout of the Company’s Union City distribution center was completed during the first quarter of fiscal 2018 and the Toronto distribution center is expected to be completed during the fourth quarter of fiscal 2018. The rollout of its ERP system will continue through fiscal 2019.

At September 28, 2018 and December 29, 2017, the Company had $530 of equipment and vehicles financed by capital leases. The Company recorded depreciation on equipment under capital leases of $16 and $15 on these assets during the thirteen weeks ended September 28, 2018 and September 29, 2017, respectively, and $48 and $45 during the thirty-nine weeks ended September 28, 2018 and September 29, 2017, respectively.

Depreciation expense, excluding capital leases, was $1,710 and $1,678 for the thirteen weeks ended September 28, 2018 and September 29, 2017, respectively, and $5,245 and $4,970 during the thirty-nine weeks ended September 28, 2018 and September 29, 2017, respectively.

Capitalized software has an estimated useful life of three to seven years. Amortization expense on software was $1,008 and $402 for the thirteen weeks ended September 28, 2018 and September 29, 2017, respectively, and $1,941 and $1,307 during the thirty-nine weeks ended September 28, 2018 and September 29, 2017, respectively.