9. Composition of Certain Financial Statement Captions

Subsequent to the adoption of ASC 606 as of April 1, 2018, accounts receivable include billed amounts where the right to receive payment is unconditional and only subject to the passage of time, and sales return reserves are now classified as other current liabilities on our consolidated balance sheets. As of March 31, 2018, accounts receivable may include amounts invoiced for undelivered products and services at each period end. Undelivered products and services are included as a component of the contract liabilities balance on the accompanying consolidated balance sheets.

	June 30, 2018			March 31, 2018
Accounts receivable, gross	$	90,514		$	94,358
Sales return reserve		—			(5,520	)
Allowance for doubtful accounts		(4,450	)		(3,876	)
Accounts receivable, net	$	86,064		$	84,962

Inventory is comprised of computer systems and components.

Prepaid expenses and other current assets are summarized as follows:

	June 30, 2018		March 31, 2018
Prepaid expenses	$	17,218	$	16,693
Other current assets		179		487
Prepaid expenses and other current assets	$	17,397	$	17,180

Equipment and improvements are summarized as follows:

	June 30, 2018			March 31, 2018
Computer equipment	$	27,700		$	27,347
Internal-use software		16,914			15,804
Furniture and fixtures		11,543			11,432
Leasehold improvements		15,904			16,016
Equipment and improvements, gross		72,061			70,599
Accumulated depreciation and amortization		(45,494	)		(43,804	)
Equipment and improvements, net	$	26,567		$	26,795

Accrued compensation and related benefits are summarized as follows:

	June 30, 2018		March 31, 2018
Payroll, bonus and commission	$	7,829	$	18,120
Vacation		9,738		9,790
Accrued compensation and related benefits	$	17,567	$	27,910

Other current and noncurrent liabilities are summarized as follows:

	June 30, 2018		March 31, 2018
Accrued securities litigation settlement	$	19,000	$	19,000
Sales return reserves and other customer liabilities ⁽¹⁾		8,658		—
Care services liabilities		7,520		2,373
Customer credit balances and deposits		3,272		4,287
Accrued consulting and outside services		2,536		4,428
Accrued employee benefits and withholdings		2,446		1,636
Accrued self insurance expense		2,354		2,145
Accrued EDI expense		2,274		2,310
Accrued outsourcing costs		1,964		2,898
Deferred rent		1,445		1,594
Accrued legal expense		1,390		1,793
Accrued hosting costs		1,307		1,600
Accrued royalties		779		1,400
Remaining lease obligations		633		672
Sales tax payable		569		499
Other accrued expenses		5,920		1,682
Other current liabilities	$	62,067	$	48,317

Deferred rent	$	9,663	$	9,902
Uncertain tax positions		2,527		2,419
Remaining lease obligations		827		962
Other liabilities		215		211
Other noncurrent liabilities	$	13,232	$	13,494

⁽¹⁾	Subsequent to the adoption of ASC 606 as of April 1, 2018, sales return reserves and certain customer liabilities, which were previously recorded within accounts receivables, are now classified as other current liabilities on our consolidated balance sheets.