Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net earnings	$ 33,481	$ 29,420
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	42,919	13,213
Navitor investment R&D expense (see Note 5)	0	15,000
Other income from Navitor (see Note 5)	(12,888)	0
Amortization of deferred financing costs and debt discount	1,053	8,632
Realized gains from sales of marketable securities	(13)	(219)
Amortization of premium/discount on marketable securities	1,068	(2,371)
Change in fair value of contingent consideration	1,408	(7,730)
Other noncash adjustments, net	(1,187)	(651)
Share-based compensation expense	8,322	9,847
Deferred income tax provision	(16,057)	(2,046)
Changes in operating assets and liabilities:
Accounts receivable	(9,093)	3,605
Inventories	1,842	(7,950)
Prepaid expenses and other assets	1,866	(18,003)
Accrued product returns and rebates	13,037	47,406
Accounts payable and other liabilities	11,763	(5,679)
Contingent consideration	(2,100)	0
Net cash provided by operating activities	75,421	82,474
Cash flows from investing activities
Purchases of marketable securities	(206,503)	(233,272)
Sales and maturities of marketable securities	121,112	83,844
Purchase of property and equipment and deferred legal fees paid	(275)	(1,961)
Acquisition of USWM, net of cash acquired	0	(950)
Net cash used in investing activities	(85,666)	(152,339)
Cash flows from financing activities
Payment of contingent consideration	(22,900)	0
Proceeds from issuance of common stock	3,139	4,996
Net cash (used in) provided by financing activities	(19,761)	4,996
Net change in cash and cash equivalents	(30,006)	(64,869)
Cash and cash equivalents at beginning of year	203,434	288,640
Cash and cash equivalents at end of period	173,428	223,771
Supplemental cash flow information
Cash paid for interest on convertible notes	1,258	1,258
Cash paid for income taxes	8,543	20,696
Cash paid for operating leases	6,238	4,036
Noncash investing and financing activities
Lease assets obtained for new operating leases	212	284
Property and equipment additions from utilization of tenant improvement allowance	$ 580	$ 0