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Sale of In-Store Marketing Business and Presentation as Discontinued Operations - Discontinued operations on the condensed consolidated balance sheets (Details) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Current Liabilities:    
Current liabilities related to discontinued operation $ 23,000 $ 33,000
In-Store Marketing Business | Discontinued operations disposed by sale    
Current Liabilities:    
Accrued sales tax 17,000 24,000
Other accrued liabilities 6,000 9,000
Current liabilities related to discontinued operation $ 23,000 $ 33,000