Balance Sheet Components

Balance sheet details as of December 31, 2017 and December 31, 2016 are presented in the tables below:



	December 31,
	2017			2016
	(In thousands)
Inventories:
Raw materials	$	22,750		$	14,322
Work in process	9,818			7,800
Finished goods	63,569			47,175
Total inventories	$	96,137		$	69,297

Prepaid expenses
Prepaid commissions	$	15,671		$	13,176
Other prepaid expenses	20,389			15,470
Total prepaid expense	$	36,060		$	28,646

Property and equipment:
Equipment	$	69,550		$	64,384
Furniture and fixtures	6,534			6,517
Leasehold improvements	10,976			9,778
Software	37,168			35,607
Construction in progress	9,813			7,211
Property and equipment, gross	134,041			123,497
Accumulated depreciation and amortization	(91,446		)	(81,486		)
Total property and equipment, net	$	42,595		$	42,011

Other long term assets:
Capitalized software, net	$	38,599		$	33,233
Other assets	1,242			1,818
Total other long term assets, net	$	39,841		$	35,051

Accrued liabilities:
Advance payments from customers	$	7,779		$	7,030
Rebates and lease buyouts	5,428			4,025
Group purchasing organization fees	3,449			3,737
Taxes payable	9,183			4,003
Other accrued liabilities	9,854			12,400
Total accrued liabilities	$	35,693		$	31,195

The following table summarizes the changes in accumulated balances of other comprehensive income (loss) for the years ended December 31, 2017 and December 31, 2016:



	Foreign currency translation adjustments			Unrealized gain (loss) on interest rate swap hedges			Total
	(In thousands)
Balance as of December 31, 2015	$	(2,730	)	$	—		$	(2,730	)
Other comprehensive income (loss) before reclassifications	(8,034		)	1,385			(6,649		)
Amounts reclassified from other comprehensive income (loss)	—			(140		)	(140		)
Net current-period other comprehensive income (loss), net of tax	(8,034		)	1,245			(6,789		)
Balance as of December 31, 2016	(10,764		)	1,245			(9,519		)
Other comprehensive income (loss) before reclassifications	3,810			409			4,219
Amounts reclassified from other comprehensive income (loss), net of tax	—			(813		)	(813		)
Net current-period other comprehensive income (loss), net of tax	3,810			(404		)	3,406
Balance as of December 31, 2017	$	(6,954	)	$	841		$	(6,113	)