Systat Licensing Agreement - Narrative (Details) - USD ($) $ in Thousands			9 Months Ended
	May 19, 2021	Jun. 30, 2020	Sep. 30, 2021	Feb. 22, 2021	Jul. 08, 2020	Jun. 19, 2020
Business Acquisition [Line Items]
Term of license grant			15 years
Systat
Business Acquisition [Line Items]
Amount of note assigned in transaction		$ 3,000
Additional amount of note to be assigned in periodic installments for transaction		$ 3,300
Consideration payable, assigned on three month anniversary			$ 1,300
Consideration payable, assigned on six month anniversary			$ 1,000
Consideration payable, assigned on nine month anniversary	$ 1,000
Cash consideration				$ 900	$ 2,200	$ 2,200