Significant Accounting Policies (Details)		3 Months Ended								9 Months Ended	12 Months Ended
	Jan. 01, 2019 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Sep. 30, 2019	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) Business_Segment	Dec. 31, 2019 USD ($) reporting_unit	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) segment	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) depository_institution	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Market Concentrations and Credit Risk [Line Items]
Number of business segments (segment)												1			1
Cash and cash equivalents uninsured amount		$ 68,400,000				$ 44,000,000.0					$ 68,400,000	$ 68,400,000	$ 68,400,000	$ 68,400,000	$ 68,400,000	$ 68,400,000	$ 68,400,000	$ 44,000,000.0
Number of depository institutions | depository_institution																	4
Number of reporting units | reporting_unit													1
Goodwill impairment																0		0	$ 0
impairment of indefinite useful lives intangible																1,300,000		0.0	600,000
Impairment of finite-lived intangible assets																500,000		0	0
Net sales		76,400,000	$ 88,863,000	$ 67,437,000	$ 66,555,000	92,586,000	$ 86,959,000	$ 95,417,000	$ 84,149,000							299,255,000		359,111,000	321,139,000
Accounts receivable, net						51,000,000.0												51,000,000.0	64,800,000
GPO administrative fees as percent of purchase volume														3.00%
Deferred cost of sales		1,300,000				$ 4,300,000					1,300,000	1,300,000	$ 1,300,000	$ 1,300,000	1,300,000	1,300,000	$ 1,300,000	4,300,000
Advertising expense																100,000		100,000	100,000
Right-of-use asset		$ 3,397,000									$ 3,397,000	$ 3,397,000	$ 3,397,000	$ 3,397,000	$ 3,397,000	3,397,000	$ 3,397,000
Patents
Market Concentrations and Credit Risk [Line Items]
impairment of indefinite useful lives intangible																800,000		0	600,000
Patent costs capitalized during the year																$ 500,000		$ 600,000	300,000
Minimum
Market Concentrations and Credit Risk [Line Items]
Property and equipment estimated useful life											3 years
Typical payment period for customers										30 days
Maximum
Market Concentrations and Credit Risk [Line Items]
Property and equipment estimated useful life											7 years
Typical payment period for customers										60 days
Accounting Standards Update 2016-02
Market Concentrations and Credit Risk [Line Items]
Right-of-use asset	$ 4,300,000
Rent credit	900,000
Lease liabilities	5,200,000
Cumulative effect on retained earnings	$ 0
Stability Biologics, LLC
Market Concentrations and Credit Risk [Line Items]
Net sales																			$ 7,000,000.0