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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Current assets:    
Cash and cash equivalents $ 193,822 $ 173,759
Accounts receivables, less reserve for doubtful accounts of $227 and $58 at December 31, 2018 and December 31, 2017, respectively 33,015 27,585
Royalties and other receivables 136 153
Unbilled receivables 2,602 0
Inventories, net 42,263 39,004
Prepaid expenses and other current assets 3,901 2,281
Total current assets 275,739 242,782
Property, plant and equipment, net 32,180 22,417
Intangible assets, net 135,438 144,753
Goodwill 326,735 327,333
Deferred tax assets 4,355 0
Other assets 174 6,234
Total assets 774,621 743,519
Current liabilities:    
Accounts payable 10,489 7,282
Accrued liabilities 15,865 17,929
Convertible senior notes, current portion 103,488
Total current liabilities 129,842 25,211
Convertible senior notes, net 0 99,250
Deferred tax liabilities 25,086 25,167
Other liabilities, long-term 4,125 2,343
Total liabilities 159,053 151,971
Commitments and contingencies (Note 9)
Stockholders' equity:    
Preferred stock, $0.01 par value, 5,000,000 shares authorized, no shares issued or outstanding
Common stock, $0.01 par value; 80,000,000 shares authorized; 43,917,378 shares at December 31, 2018 and 43,587,079 shares at December 31, 2017 issued and outstanding 439 436
Additional paid-in capital 642,590 628,983
Accumulated other comprehensive loss (11,893) (6,363)
Accumulated deficit (15,568) (31,508)
Total stockholders' equity 615,568 591,548
Total liabilities and stockholders' equity $ 774,621 $ 743,519