Segment Information - Net Sales and Operating Income (Loss) by each Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net sales	$ 267,841	$ 258,615	$ 248,234
Cost of sales	48,316	43,283	39,330
Selling, general and administrative expense	208,789	198,359	181,022
Research and development expense	22,829	17,344	11,715
Amortization of intangible assets	701	820	1,073
Investigation, restatement and related expense	12,177	3,791	59,465
Impairment of intangible assets	0	53	1,027
Operating loss	(24,971)	(5,035)	(45,398)
Supplemental information
Depreciation expense	3,345	4,363	5,782
Share-based compensation	12,666	14,757	15,357
Corporate & Other
Segment Reporting Information [Line Items]
Net sales	2,935	3,079	2,383
Cost of sales	3,854	4,424	3,289
Selling, general and administrative expense	62,902	61,866	60,437
Research and development expense	0	0	0
Amortization of intangible assets	701	820	1,073
Supplemental information
Depreciation expense	1,389	2,473	3,576
Share-based compensation	4,995	8,138	9,728
Wound & Surgical
Segment Reporting Information [Line Items]
Amortization of intangible assets		0
Wound & Surgical | Operating Segments
Segment Reporting Information [Line Items]
Net sales	264,906	238,940	213,489
Cost of sales	44,462	35,204	30,185
Selling, general and administrative expense	145,887	123,583	103,039
Research and development expense	7,836	5,864	3,979
Amortization of intangible assets	0		0
Segment contribution	66,721	74,289	76,286
Supplemental information
Depreciation expense	1,791	1,644	1,755
Share-based compensation	6,513	5,158	4,373
Regenerative Medicine
Segment Reporting Information [Line Items]
Amortization of intangible assets		0
Regenerative Medicine | Operating Segments
Segment Reporting Information [Line Items]
Net sales	0	16,596	32,362
Cost of sales	0	3,655	5,856
Selling, general and administrative expense	0	12,910	17,546
Research and development expense	14,993	11,480	7,736
Amortization of intangible assets	0		0
Segment contribution	(14,993)	(11,449)	1,224
Supplemental information
Depreciation expense	165	246	451
Share-based compensation	$ 1,158	$ 1,461	$ 1,256