Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Net earnings	$ 60,711	$ 53,424	$ 126,950
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	85,543	32,595	18,141
Navitor investment R&D expense (see Note 5)	0	15,000	0
Other income from Navitor (see Note 5)	(12,888)	0	0
Amortization of deferred financing costs and debt discount	2,112	17,501	16,581
Share-based compensation expense	17,568	17,910	16,561
Realized gains from sales of marketable securities	(14)	(347)	(4,352)
Amortization of premium/discount on marketable securities	3,233	418	(2,889)
Changes in fair value of contingent consideration	(510)	(6,530)	1,900
Other noncash adjustments, net	11,638	(1,420)	1,454
Deferred income tax (benefit) provision	(26,324)	(4,994)	568
Changes in operating assets and liabilities:
Accounts receivable	(16,366)	3,867	(34,607)
Inventories	(17,858)	(14,580)	(10,124)
Prepaid expenses and other assets	12,303	(8,398)	(10,442)
Accrued product returns and rebates	18,941	4,502	10,386
Accounts payable and other liabilities	(19,163)	18,179	8,272
Contingent consideration	(2,100)	0	0
Net cash provided by operating activities	116,826	127,127	138,399
Cash flows from investing activities
Sales and maturities of marketable securities	190,739	530,509	378,422
Purchases of marketable securities	(406,990)	(311,573)	(95,890)
Acquisition of USWM, net of cash acquired	0	(950)	(298,541)
Acquisition of Adamas, net of cash acquired	0	(310,742)	0
Distribution from (investment in) Navitor	0	12,888	(15,000)
Purchase of property and equipment and deferred legal fees paid	(412)	(2,045)	(3,690)
Net cash used in investing activities	(216,663)	(81,913)	(34,699)
Cash flows from financing activities
Proceeds from issuance of common stock	12,423	7,095	4,361
Proceeds from governmental loan and grant	0	800	0
Repayment of acquired Adamas loan	0	(138,315)	0
Payments on finance lease liability	0	0	(802)
Payment of contingent consideration	22,900	0	0
Net cash (used in) provided by financing activities	(10,477)	(130,420)	3,559
Net change in cash and cash equivalents	(110,314)	(85,206)	107,259
Cash and cash equivalents at beginning of year	203,434	288,640	181,381
Cash and cash equivalents at end of year	93,120	203,434	288,640
Supplemental cash flow information:
Cash paid for interest on convertible notes	2,516	2,516	2,516
Cash paid for operating leases	12,883	11,908	6,949
Income taxes paid	16,200	25,190	45,428
Noncash investing and financing activity:
Contingent consideration liability related to acquisitions	0	10,307	76,700
Lease assets and tenant receivable obtained for new operating leases	1,867	10,868	2,478
Lease assets obtained for new finance lease		0	22,747
Property and equipment additions from utilization of tenant improvement allowance	$ 580	$ 25	$ 0