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Inventory - Summary of the Components of Inventories (Detail) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 615 $ 592
Work in process 498 507
Finished goods 1,194 983
Total current and non-current inventory, gross 2,307 2,082
Less: allowance for inventory excess and obsolescence (637) (526)
Total current and non-current inventory, net 1,670 1,556
Inventory, net 1,384 1,184
Non-current inventory, net $ 286 $ 372