Summary of Significant Accounting Policies - Revenue Disaggregated (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 7,654	$ 5,313	$ 21,089	$ 12,546
OviTex [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,072	4,526	16,500	10,707
OviTex PRS [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 1,582	$ 787	$ 4,589	$ 1,839