5. Balance Sheet Components

Accounts Receivable, Net

Accounts receivable, net was comprised of the following (in thousands):

	June 30,
	2017			2016
Accounts receivable	$	46,009		$	49,503
Less: Allowance for doubtful accounts		(547	)		(441	)
Less: Allowance for sales returns		(1,403	)		(1,844	)
Total	$	44,059		$	47,218

Property and Equipment, Net

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

	June 30,
	2017			2016
Computer equipment	$	12,581		$	14,673
Software		11,386			11,191
Furniture and fixtures		3,020			3,240
Leasehold improvements		1,917			1,957
Internal software development costs		31,605			29,521
Total property plant and equipment, gross		60,509			60,582
Less: Accumulated depreciation and amortization		(54,896	)		(52,904	)
Total property plant and equipment, net	$	5,613		$	7,678

Depreciation expense was $2.3 million, $3.8 million and $4.0 million for fiscal years 2017, 2016 and 2015. Amortization expense related to internal software development costs was $2.9 million, $2.4 million and $2.4 million for fiscal years 2017, 2016 and 2015.

Prepaid Expenses and Other Assets

Prepaid expenses and other assets were comprised of the following (in thousands):

	June 30,
	2017		2016
Income tax receivable	$	2,761	$	3,332
Prepaid expenses		3,051		3,399
Other assets		413		324
Total	$	6,225	$	7,055

In fiscal year 2016, the Company entered into a 10-year partnership agreement with a large online customer acquisition marketing company focused on the U.S. insurance industry to be its exclusive click monetization partner for the majority of its insurance categories. The agreement included a one-time upfront cash payment of $10.0 million. The payment is being amortized on a straight-line basis over the life of the contract and is assessed for impairment annually. As of June 30, 2017, the Company had recorded $1.0 million within prepaid expenses and other assets and $7.3 million within other assets, noncurrent on the Company’s consolidated balance sheet. As of June 30, 2016, the Company had recorded $1.0 million within prepaid expenses and other assets and $8.3 million within other assets, noncurrent in the Company’s consolidated balance sheet. Amortization expense was $1.0 million and $0.7 million for fiscal years 2017 and 2016.

Accrued liabilities

Accrued liabilities were comprised of the following (in thousands):

	June 30,
	2017		2016
Accrued media costs	$	19,917	$	17,858
Accrued compensation and related expenses		1,936		5,468
Accrued professional service and other business expenses		4,370		4,379
Total	$	26,223	$	27,705