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