CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Current assets:    
Cash and cash equivalents $ 28,627 $ 34,813
Restricted cash 271 247
Short-term investments 41,467 22,970
Accounts receivable, net 29,992 24,727
Inventories 33,149 26,231
Prepaid expenses and other current assets 3,418 3,662
Total current assets 136,924 112,650
Property and equipment, net 7,419 6,463
Long-term investments 1,513 4,008
Intangible assets, net 25,675 23,120
Goodwill 21,855 16,809
Other assets 3,121 2,008
Total assets 196,507 165,058
Current liabilities:    
Accounts payable 22,953 17,010
Accrued liabilities 9,397 8,912
Current portion of deferred revenue 2,151 1,553
Total current liabilities 34,501 27,475
Other long-term liabilities 879 701
Total liabilities 35,380 28,176
Commitments and contingencies (Note 10)
Stockholders' equity:    
Common stock, $0.0001 par value; 500,000,000 shares authorized; 25,266,497 and 23,729,780 shares issued and outstanding at September 30, 2017 and December 31, 2016, respectively 3 2
Additional paid-in capital 234,640 220,370
Accumulated deficit (73,038) (82,626)
Accumulated other comprehensive loss (478) (864)
Total stockholders' equity 161,127 136,882
Total liabilities and stockholders' equity $ 196,507 $ 165,058