Segment Information -Net Sales and Segment Contribution for Each Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Net sales	$ 81,257	$ 66,883	$ 152,933	$ 125,777
Cost of sales	13,583	11,823	26,002	21,759
Selling, general and administrative expense	51,925	55,793	104,202	105,363
Research and development expense	8,497	5,512	14,993	11,476
Restructuring	3,256	0	3,256	0
Amortization of intangible assets	191	173	380	345
Investigation, restatement and related expense	1,017	3,218	4,690	5,770
Operating income (loss)	2,788	(9,636)	(590)	(18,936)
Supplemental information
Depreciation expense	687	858	1,401	1,718
Share-based compensation	4,060	4,428	8,405	8,426
Corporate & Other
Segment Reporting Information [Line Items]
Net sales	796	789	1,843	1,354
Cost of sales	847	985	1,934	1,792
Selling, general and administrative expense	13,425	17,112	28,036	32,638
Research and development expense	0	0	0	0
Restructuring	0		0
Amortization of intangible assets	191	173	380	345
Supplemental information
Depreciation expense	220	360	482	720
Share-based compensation	2,408	2,230	4,918	4,201
Wound & Surgical | Operating Segments
Segment Reporting Information [Line Items]
Net sales	80,461	66,094	151,090	124,423
Cost of sales	12,736	10,838	24,068	19,967
Selling, general and administrative expense	38,500	38,681	76,166	72,725
Research and development expense	1,632	2,408	3,154	4,358
Restructuring	0		0
Amortization of intangible assets	0	0	0	0
Segment contribution	27,593	14,167	47,702	27,373
Supplemental information
Depreciation expense	395	459	784	914
Share-based compensation	1,845	1,896	3,228	3,661
Regenerative Medicine | Operating Segments
Segment Reporting Information [Line Items]
Net sales	0	0	0	0
Cost of sales	0	0	0	0
Selling, general and administrative expense	0	0	0	0
Research and development expense	6,865	3,104	11,839	7,118
Restructuring	3,256		3,256
Amortization of intangible assets	0	0	0	0
Segment contribution	(10,121)	(3,104)	(15,095)	(7,118)
Supplemental information
Depreciation expense	72	39	135	84
Share-based compensation	$ (193)	$ 302	$ 259	$ 564