CONDENSED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues
Product revenues, net	$ 76,511	$ 74,516
Cost of product revenues
Cost of product revenues (excluding intangible asset amortization)	27,229	45,476
Intangible asset amortization	10,295	3,688
Total cost of products revenues	37,524	49,164
Gross profit	38,987	25,352
Operating expenses
Research and development	2,666	2,992
Selling, general and administrative	31,260	32,352
Total costs and expenses	33,926	35,344
Income (loss) from operations	5,061	(9,992)
Interest expense	(4,823)	(234)
Interest income	212	526
Net income (loss)	$ 450	$ (9,700)
Earnings (loss) per share - basic (in dollars per share)	$ 0.01	$ (0.29)
Weighted-average shares - basic (in shares)	34,100,688	33,331,917
Earnings (loss) per share - diluted (in dollars per share)	$ 0.01	$ (0.29)
Weighted-average shares - diluted (in shares)	35,069,693	33,331,917