CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 28,445	$ 45,006
Short-term investments	190,596	166,864
Accounts receivable, net	27,994	30,424
Inventory	26,906	13,294
Income taxes receivable	0	4,614
Other current assets	2,770	3,399
Total current assets	276,711	263,601
Deferred income taxes, net	8,530	8,530
Intangible assets, net	325,377	342,455
Goodwill	105,673	105,673
Commercial license rights, net	10,783	10,182
Property and equipment, net	11,382	12,482
Operating lease right-of-use assets	11,392	10,914
Financing lease right-of-use assets	3,762	4,095
Other assets	4,495	4,736
Total assets	758,105	762,668
Current liabilities:
Accounts payable	9,582	5,307
Accrued liabilities	7,291	15,681
Income taxes payable	11,387	0
Current operating lease liabilities	680	670
2023 convertible senior notes, net	0	76,695
Other current liabilities	448	457
Total current liabilities	29,388	98,810
Long-term contingent liabilities	3,505	3,456
Deferred income taxes, net	27,665	30,615
Long-term operating lease liabilities	10,991	10,336
Other long-term liabilities	21,664	21,966
Total liabilities	93,213	165,183
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value; 5,000 shares authorized; zero issued and outstanding at June 30, 2023 and December 31, 2022	0	0
Common stock, $0.001 par value; 60,000 shares authorized; 17,352 and 16,951 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively	17	17
Additional paid-in capital	170,741	147,590
Accumulated other comprehensive loss	(967)	(984)
Retained earnings	495,101	450,862
Total stockholders' equity	664,892	597,485
Total liabilities and stockholders' equity	$ 758,105	$ 762,668