CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 19,828	$ 40,395
Restricted cash	264	259
Short-term investments	48,789	52,794
Accounts receivable, net	30,316	33,016
Inventories	45,867	42,684
Prepaid expenses and other current assets	9,633	6,100
Total current assets	154,697	175,248
Property and equipment, net	9,540	9,663
Operating lease right-of-use assets	10,567
Long-term investments	3,201
Intangible assets, net	25,389	20,651
Goodwill	31,403	21,530
Other assets	22,560	25,456
Total assets	257,357	252,548
Current liabilities:
Accounts payable	23,083	26,213
Accrued liabilities	7,151	9,142
Current portion of deferred revenue	5,588	5,507
Current operating lease liability	3,924
Total current liabilities	39,746	40,862
Long-term operating lease liability	7,924
Other long-term liabilities	5,838	5,339
Total liabilities	53,508	46,201
Commitments and contingencies (Note 14)
Stockholders’ equity:
Common stock, $0.0001 par value; 500,000,000 shares authorized; 26,655,506 and 26,516,912 shares issued and outstanding at March 31, 2019 and December 31, 2018, respectively	3	3
Additional paid-in capital	234,999	235,529
Accumulated deficit	(30,355)	(28,385)
Accumulated other comprehensive loss	(798)	(800)
Total stockholders' equity	203,849	206,347
Total liabilities and stockholders’ equity	$ 257,357	$ 252,548