Note 4. Balance Sheet Components

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	January 31,
	2018		2017
Prepaid expenses	$	8,494	$	9,256
Other current assets		2,897		1,570
Total prepaid expenses and other current assets	$	11,391	$	10,826

Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

	January 31,
	2018			2017
Servers and related equipment	$	170,422		$	143,219
Leasehold improvements		72,599			64,379
Computer hardware and software		14,558			11,373
Furniture and fixtures		14,254			12,824
Construction in progress		7,348			5,882
Total property and equipment		279,181			237,677
Less: accumulated depreciation		(155,204	)		(120,501	)
Total property and equipment, net	$	123,977		$	117,176

As of January 31, 2018, the gross carrying amount of property and equipment includes $74.7 million of servers and related equipment and $3.7 million of construction in progress acquired under capital leases, and the accumulated depreciation of property and equipment acquired under these capital leases was $29.1 million. As of January 31, 2017, the gross carrying amount of property and equipment includes $43.2 million of servers and related equipment and $5.6 million of construction in progress acquired under capital leases, and the accumulated depreciation of property and equipment acquired under these capital leases was $10.4 million.

Depreciation expense related to property and equipment was $39.5 million, $36.8 million and $34.8 million for the years ended January 31, 2018, 2017 and 2016, respectively. Included in these amounts were depreciation expense for servers and related equipment acquired under capital leases in the amount of $18.8 million, $7.9 million and $2.3 million, for the same periods respectively. Construction in progress may include servers, networking equipment and storage infrastructure being provisioned in our datacenter facilities. In addition, the amounts of interest capitalized to property and equipment were $29,000, $27,000 and $400,000 for the years ended January 31, 2018, 2017 and 2016, respectively.

Other Long-term Assets

Other long-term assets consisted of the following (in thousands):

	January 31,
	2018		2017
Deferred commissions, noncurrent	$	8,330	$	7,491
Deposits, noncurrent		2,934		1,564
Other assets, noncurrent		2,469		1,725
Other long-term assets	$	13,733	$	10,780