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Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Current Assets:    
Cash and cash equivalents $ 85,465 $ 88,438
Short-term investments 78,215 68,134
Accounts receivable, net of allowance for doubtful accounts of $2,501 and $418 27,764 34,842
Inventories 25,040 22,888
Prepaid expenses 1,830 1,925
Other current assets 4,966 3,085
Total current assets 223,280 219,312
Noncurrent Assets:    
Property, plant and equipment, net 29,045 24,299
Operating right-of-use assets, net 3,574  
Finance right-of-use assets, net 1,276  
Intangible assets, net 11,577 5,137
Goodwill 28,935 18,521
Long-term investments 37,563 44,752
Other noncurrent assets 3,971 3,550
Total noncurrent assets 115,941 96,259
TOTAL ASSETS 339,221 315,571
Current Liabilities:    
Accounts payable 9,783 10,598
Deferred revenue 3,940 3,521
Accrued expenses and other current liabilities 10,974 13,861
Finance lease liability 439  
Operating lease liability 761  
Acquisition-related contingent consideration obligation 3,039  
Total current liabilities 28,936 27,980
Noncurrent Liabilities:    
Finance lease liability 829  
Operating lease liability 3,053  
Acquisition-related contingent consideration obligation 385  
Other noncurrent liabilities 3,575 3,312
Deferred income taxes 1,078 901
Total noncurrent liabilities 8,920 4,213
TOTAL LIABILITIES 37,856 32,193
Commitments and contingencies (Note 11)
STOCKHOLDERS' EQUITY    
Preferred stock, par value $.000001, 25,000 shares authorized, none issued
Common stock, par value $.000001, 120,000 shares authorized, 61,726 and 61,276 shares issued and outstanding 0 0
Additional paid-in capital 401,014 401,273
Accumulated other comprehensive loss (14,678) (18,706)
Accumulated deficit (84,971) (99,189)
Total stockholders' equity 301,365 283,378
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 339,221 $ 315,571