CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 28,215	$ 34,813
Restricted cash	252	247
Short-term investments	23,988	22,970
Accounts receivable, net	22,978	24,727
Inventories	28,413	26,231
Prepaid expenses and other current assets	3,433	3,662
Total current assets	107,279	112,650
Property and equipment, net	6,924	6,463
Long-term investments	3,104	4,008
Intangible assets, net	28,325	23,120
Goodwill	22,192	16,809
Other assets	2,462	2,008
Total assets	170,286	165,058
Current liabilities:
Accounts payable	18,317	17,010
Accrued liabilities	7,277	8,912
Current portion of deferred revenue	1,604	1,553
Total current liabilities	27,198	27,475
Other long-term liabilities	2,147	701
Total liabilities	29,345	28,176
Commitments and contingencies (Note 11)
Stockholders' equity:
Common stock, $0.0001 par value; 500,000,000 shares authorized; 24,339,298 and 23,729,780 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively	2	2
Additional paid-in capital	223,474	220,370
Accumulated deficit	(82,116)	(82,626)
Accumulated other comprehensive loss	(419)	(864)
Total stockholders' equity	140,941	136,882
Total liabilities and stockholders' equity	$ 170,286	$ 165,058

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.