Annual report pursuant to Section 13 and 15(d)

Other Current Assets (Detail)

v3.21.1
Other Current Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Lab supplies $ 162 $ 77
Prepaid expenses 475 469
Other assets, current $ 637 $ 546