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Note 1 - Business and Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Other Current Liabilities [Table Text Block]
  

December 31, 2025

  

December 31, 2024

 

Payroll and payroll related

 $1,343  $2,674 

Right of offset to restricted cash

  297   316 

STS Contingent Consideration

  -   1,900 

Other

  89   239 

Total

 $1,729  $5,129 
Schedule of Property, Plant and Equipment, Useful Lives [Table Text Block]

Class of assets

 

Useful life (in years)

 

Furniture and fixtures

  2 - 10 

Office equipment

  2 - 5 

Leasehold improvements

 

Shorter of asset life or lease term

 

Automobiles

  3 - 5 

Roadway monitoring systems

  3 - 5 
Disaggregation of Revenue [Table Text Block]
  

Year ended December 31,

 
  

2025

  

2024

 

Recurring revenue

 $23,865  $22,590 

Product and service revenue

  24,585   23,438 

Total revenue

 $48,450  $46,028 
  

Year ended December 31,

 
  

2025

  

2024

 

Urban mobility

 $29,304  $28,688 

Transportation management

  1,745   2,533 

Public safety

  17,401   14,807 

Total revenue

 $48,450  $46,028 
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

2026

 $4,604 

2027

  900 

2028

  307 

2029

  138 

2030

  55 

Thereafter

  2 

Total

 $6,006 
Business Combination, Contingent Consideration [Table Text Block]
  

STS Contingent Consideration

 

Balance as of January 1, 2024

 $1,800 

Loss due to the remeasurement of the STS Earnout and Contingent Consideration

  100 

Balance as of December 31, 2024

  1,900 

Gain due to the remeasurement of the STS Earnout and Contingent Consideration

  (1,900)

Balance as of December 31, 2025

 $- 
  

ATD Holdback Shares

 

Acquisition of ATD January 2, 2024

 $1,635 

Gain on remeasurement of ATD Holdback Shares

  (599)

Balance as of December 31, 2024

  1,036 

Loss on remeasurement of ATD Holdback Shares

  120 

Issuance of common stock to settle ATD Holdback Shares

  (1,156)

Balance as of December 31, 2025

 $- 
  

Prepaid Advance

 

Execution of Prepaid Advance August 14, 2024

 $14,100 

Issuance of common stock to settle Prepaid Advance

  (15,000)

Loss on settlement of Prepaid Advance

  900 

Balance as of December 31, 2024

  - 

Balance as of December 31, 2025

 $- 
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

ATD Holdback Shares

 

January 2, 2024

  

December 31, 2024

  

January 2, 2025

 

Closing stock price

 $3.14  $1.56  $1.74 

Discount for marketability

 $(0.68) $-  $- 

Prepaid Advance

 August 14, 2024  December 31, 2024 

Closing stock price

 $1.39  $- 

Volatility

  96%  - 

Risk-free rate

  4.4%  - 

Indicated yield

  14.2%  -