CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues:
Net product sales	$ 60,192	$ 62,669
Total revenues	60,192	62,669
Operating expenses:
Cost of goods sold excluding amortization	5,665	6,030
Research and development	20,969	16,131
Selling, general and administrative	40,848	29,797
Intangible asset amortization	379	370
Total operating expenses	67,861	52,328
Income (loss) from operations	(7,669)	10,341
Other income	105	87
Income (loss) before income taxes	(7,564)	10,428
Provision (benefit) for income taxes	(1,134)	1,778
Net income (loss)	$ (6,430)	$ 8,650
Net income (loss) per share:
Basic (in dollars per share)	$ (0.11)	$ 0.16
Diluted (in dollars per share)	$ (0.11)	$ 0.15
Weighted average shares outstanding:
Basic (in shares)	56,105,239	55,145,789
Diluted (in shares)	56,105,239	56,505,087