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Discontinued Operations - Summary of Amounts Included in Discontinued Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Operating expenses:        
Net income (loss) $ (5) $ 5 $ (5) $ 4
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 0 0 0
Cost of revenues 0 0 0 0
Gross profit 0 0 0 0
Operating expenses:        
Sales and marketing 0 0 0 0
Product development 0 0 0 0
General and administrative 5 7 5 15
Total operating expenses 5 7 5 15
Loss from operations (5) (7) (5) (15)
Other income, net 0 12 0 19
Income (loss) before income taxes (5) 5 (5) 4
Income tax expense 0 0 0 0
Net income (loss) $ (5) $ 5 $ (5) $ 4