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Note 1 - Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Disaggregation of Revenue [Table Text Block]
   

Years ended December 31,

 
   

2022

   

2021

 

FACILITIES:

               

Maintenance revenues

  $ 3,668     $ 3,540  

Equipment sales

    1,149       2,039  

Deployment and other services

    5,391       1,496  

Total facilities revenues

    10,208       7,075  
                 

SYSTEMS INTEGRATION:

               

Integration services

    7,186       5,668  

Procurement services

    13,243       14,667  

Total systems integration revenues

    20,429       20,335  

TOTAL REVENUES

  $ 30,637     $ 27,410  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
   

2022

   

2021

 

U.S.-based IT OEM

    96 %     95 %
Allowance for Doubtful Accounts [Table Text Block]
   

Year Ended December 31,

 
   

2022

   

2021

 

Balance at beginning of year

  $ 7     $ 7  

Additions charged to expense

    -       -  

Recovery of amounts previously reserved

    -       -  

Amounts written off

    -       -  

Balance at end of year

  $ 7     $ 7