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Discontinued Operations - Summary of Amounts Included in Discontinued Operations (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Operating expenses:    
Net loss from discontinued operations $ (13) $ (3,390)
Discontinued Operations, Disposed of by Sale | Asia Pacific Disposal    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Revenues 0 970
Cost of revenues 0 6
Gross profit 0 964
Operating expenses:    
Sales and marketing 0 1,712
Product development 0 0
General and administrative 8 2,836
Total operating expenses 8 4,548
Loss from operations (8) (3,584)
Other income (loss), net (5) 194
Loss before income taxes (13) (3,390)
Income tax expense 0 0
Net loss from discontinued operations $ (13) $ (3,390)