XML 46 R32.htm IDEA: XBRL DOCUMENT v3.21.2
Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets
Intangible assets consisted of the following:
(in thousands)September 30, 2021December 31, 2020
Patents$431 $430 
Less accumulated amortization(206)(172)
$225 $258