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Balance Sheet Components (Tables)
 12 Months Ended
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Accounts Receivable, Allowance for Doubtful Accounts The activity in the allowance for doubtful accounts was as follows (in thousands):
20212020
Beginning balance$437 $650 
(Reversal of) Provision for allowance for doubtful accounts(95)364 
Write offs(218)(592)
Impacts of foreign currency translation39 15 
Ending balance$163 $437 
Prepaid and Other Current Assets
Our prepaid and other current assets consisted of the following as of December 31, 2021 and 2020 (in thousands):
20212020
Prepaid expenses$4,247 $1,640 
Withholding taxes394 336 
Deferred costs1,555 — 
Other current assets— 36 
Total6,196 2,012 
Property and Equipment, Net
Our property and equipment, net consisted of the following as of December 31, 2021 and 2020 (in thousands):
20212020
Leasehold improvements$4,225 $5,241 
Equipment and fixtures4,233 2,856 
8,458 8,097 
Less: accumulated depreciation and amortization(6,343)(6,268)
Property and equipment, net$2,115 $1,829