CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 717,292	$ 528,392
Restricted cash		9,015
Accounts receivable, net of reserves of $762 and $525 at December 31, 2020 and December 31, 2019, respectively	71,257	43,068
Royalties and other receivables	132	148
Unbilled receivables		456
Inventories, net	95,025	54,832
Prepaid expenses and other current assets	18,676	5,917
Total current assets	902,382	641,828
Property, plant and equipment, net	66,870	48,455
Intangible assets, net	287,100	212,552
Goodwill	618,305	468,413
Deferred tax assets	2,481	2,920
Operating lease right of use assets	25,176	25,707
Other assets	573	238
Total assets	1,902,887	1,400,113
Current liabilities:
Accounts payable	16,880	11,425
Operating lease liability	5,254	3,557
Accrued liabilities	53,085	33,331
Convertible senior notes, current portion, net	243,737
Total current liabilities	318,956	48,313
Convertible senior notes, net		232,767
Deferred tax liabilities	27,032	29,944
Operating lease liability, long-term	26,425	26,995
Other liabilities, long-term	1,324	2,326
Total liabilities	373,737	340,345
Commitments and contingencies (Note 11)
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; 54,760,837 shares at December 31, 2020 and 52,078,258 shares at December 31, 2019 issued and outstanding	548	521
Additional paid-in capital	1,460,748	1,068,431
Accumulated other comprehensive income (loss)	2,085	(15,027)
Accumulated earnings	65,769	5,843
Total stockholders' equity	1,529,150	1,059,768
Total liabilities and stockholders' equity	$ 1,902,887	$ 1,400,113