v3.26.1
Note 4 - Summary of Significant Accounting Policies (Details Textual)
$ / shares in Units, $ in Thousands, ¥ in Millions
 12 Months Ended
Mar. 07, 2025
USD ($)
shares
Sep. 30, 2024
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2025
HKD ($)
shares
Dec. 31, 2025
CNY (¥)
shares
Sep. 29, 2024
shares
Cash and cash equivalents     $ 970 $ 812      
Accounts Receivable, Allowance for Credit Loss     217 892      
Other than Temporary Impairment Losses, Investments     $ 0 2      
Finite-Lived Intangible Asset, Useful Life (Year)     2 years 2 months 8 days   2 years 2 months 8 days 2 years 2 months 8 days  
Impairment of Intangible Assets (Excluding Goodwill)     $ 0 $ 0      
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares     $ 0.001 $ 0.001      
Common Stock, Shares Authorized (in shares) | shares   12,500,000 12,500,000 12,500,000 12,500,000 12,500,000 50,000,000
Stock Issued During Period, Fractional Shares, Reverse Stock Splits (in shares) | shares   0          
Common Stock, Shares, Issued (in shares) | shares   2,301,205 3,268,429 2,301,205 3,268,429 3,268,429 8,704,506
Contract with Customer, Asset, after Allowance for Credit Loss     $ 0        
Contract with Customer, Performance Obligation Satisfied in Previous Period     0 $ 0      
Research and Development Expense     0 0      
Lease payment liabilities related to short-term leases     0 0      
Operating Lease, Right-of-Use Asset     48 0      
Operating Lease, Liability     49 0      
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense     0 0      
Unrecognized Tax Benefits     0 0      
Defined Benefit Plan, Benefit Obligation     $ 0        
Rahula Group Acquisition [Member]              
Investment Owned, Shares Acquired During Period | shares 10,000            
Asset Acquisition, Consideration Transferred $ 600            
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) 3 years            
Reverse Stock Split [Member]              
Stockholders' Equity Note, Stock Split, Conversion Ratio   4 4        
Minimum [Member]              
Lessee, Operating Lease, Term of Contract (Year)     1 year   1 year 1 year  
Maximum [Member]              
Lessee, Operating Lease, Term of Contract (Year)     8 years   8 years 8 years  
Purchased Software and Software Platform [Member] | Minimum [Member]              
Finite-Lived Intangible Asset, Useful Life (Year)     3 years   3 years 3 years  
Purchased Software and Software Platform [Member] | Maximum [Member]              
Finite-Lived Intangible Asset, Useful Life (Year)     10 years   10 years 10 years  
Variable Interest Entity, Primary Beneficiary [Member]              
Cash and cash equivalents     $ 13 24      
Lease payment liabilities related to short-term leases     0 0      
Subsidiaries [Member] | Cash Transfer [Member]              
Related Party Transaction, Amounts of Transaction     400 480      
Subsidiaries [Member] | Variable Interest Entities Repayment of Loan to Subsidiaries [Member] | Variable Interest Entity, Primary Beneficiary [Member]              
Related Party Transaction, Amounts of Transaction     90        
Subsidiaries [Member] | Subsidiary, Loan to Variable Entity Interests (VIEs) [Member] | Variable Interest Entity, Primary Beneficiary [Member]              
Related Party Transaction, Amounts of Transaction       20      
Scenario, Plan [Member]              
Dividends, Common Stock, Cash     0        
UNITED STATES              
Cash and cash equivalents     170        
Cash, Insured Amount, Per Bank     250        
CHINA              
Cash and cash equivalents     800        
Cash, Insured Amount, Per Bank | ¥           ¥ 0.5  
CHINA | PRC Subsidiary And VIE's [Member] | Cash Transfer [Member]              
Related Party Transaction, Amounts of Transaction     $ 0 $ 0      
HONG KONG              
Cash, Insured Amount, Per Bank         $ 800,000