Basis of Presentation and Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Foreign currency transaction gain (loss)	$ (3,100,000)	$ (5,500,000)	$ 1,800,000
Advertising expense	1,600,000	1,000,000	1,100,000
Allowance for doubtful accounts	1,300,000	1,100,000
Write-down to inventory	4,000,000	4,800,000	1,700,000
Write-downs to deferred preservation costs	369,000	575,000	1,700,000
Write-down to non-conforming tissues			826,000
Impairment of long-lived assets	0	0	$ 0
Long-term debt	308,107,000	309,123,000
Retained (deficit) earnings	(17,217,000)	1,975,000
Net present value of operating lease liability	44,565,000	48,018,000
Operating lease right-of-use assets, net	$ 41,859,000	$ 45,714,000
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated useful lives	3 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated useful lives	10 years
ESPP Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ESPP, percentage of market price for eligible employees	85.00%
RSAs, RSUs, PSUs and Stock Options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
RSAs, RSUs, PSUs and Stock Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Stock Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period within grant date stock options granted typically expire	7 years
ASU 2020-06
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Long-term debt				$ 20,400,000
Retained (deficit) earnings				(3,200,000)
Additional paid-in capital				$ (16,400,000)