v3.25.4
Note 5 - Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
  

Year Ended December 31,

 
  

2025

 

Stock price

  $8.00 - $12.52 

Risk-free interest rate

  3.5% - 4.3% 

Expected volatility

  69.5% - 105.8% 

Expected term

  0.5 - 1.5 
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  Year Ended December 31, 
  

2025

  

2024

 

Stock-based compensation:

        

Cost of revenue

 $1,112  $706 

Sales and marketing

  2,295   2,788 

Research, development and engineering

  3,953   2,522 

General and administrative

  4,606   4,013 

Stock-based compensation expense

  11,966   10,029 

Capitalized to software and patent costs

  115   30 

Total stock-based compensation

 $12,081  $10,059 
Share-Based Payment Arrangement, Nonvested Award, Cost [Table Text Block]
  

December 31,

  

December 31,

 
  

2025

  

2024

 

Total unrecognized compensation costs

 $13,110  $16,226 
Employee Service Share Based Compensation Non Vested Awards Compensation Cost Not Yet Recognized Period for Recognition [Table Text Block]
                 
  

RSAs

  

RSUs

  

PRSUs

  

ESPP

 

Weighted average period (in years)

  0.87   1.38   1.14   0.95 
Nonvested Restricted Stock Shares Activity [Table Text Block]
      

Weighted

 
      

Average

 
  

Number of

  

Grant Date

 
  Shares  Fair Value 

Unvested balance, December 31, 2023

  105  $29.89 

Granted

  45  $28.37 

Vested

  (84) $29.20 

Forfeited

  (7) $27.57 

Unvested balance, December 31, 2024

  59  $29.98 

Granted

  69  $12.69 

Vested

  (43) $30.50 

Forfeited

    $ 

Unvested balance at December 31, 2025

  85  $15.77 
Schedule of Fair Value of Restricted Stock Awards Vested [Table Text Block]
  

Year Ended December 31,

 
  

2025

  

2024

 

Fair value of RSAs vested

 $724  $2,234 
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
      

Weighted

 
      

Average

 
  

Number of

  

Grant Date

 
  

Units

  

Fair Value

 

Unvested balance, December 31, 2023

  442  $23.77 

Granted

  228  $35.29 

Vested

  (197) $26.86 

Forfeited

  (67) $26.58 

Unvested balance, December 31, 2024

  406  $28.27 

Granted

  792  $12.30 

Vested

  (409) $16.80 

Forfeited

  (205) $26.32 

Unvested balance, December 31, 2025

  584  $15.32 
Schedule of Fair Value of Restricted Stock Units Vested [Table Text Block]
  

Year Ended December 31,

 
  

2025

  

2024

 

Fair value of RSU awards vested

 $5,237  $5,747 
Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block]
      

Weighted

 
      

Average

 
  

Number of

  

Grant Date

 
  

Units

  

Fair Value

 

Unvested balance, December 31, 2022

  67  $31.92 

Change in units based on performance expectations

  (6) $32.02 

Granted

  134  $27.75 

Vested

  (2) $32.02 

Forfeited

  (1) $32.02 

Unvested balance, December 31, 2023

  192  $29.01 

Change in units based on performance expectations

  30  $22.37 

Granted

  73  $36.77 

Vested

  (60) $22.37 

Forfeited

  (20) $34.17 

Unvested balance, December 31, 2024

  215  $32.08 

Change in units based on performance expectations

  (5) $24.71 

Granted

  429  $15.06 

Vested

  (49) $44.17 

Forfeited

  (57) $25.47 

Unvested balance, December 31, 2025

  533  $20.70 
Schedule of Fair Value of Performance Stock Units Vested [Table Text Block]
  

Year Ended December 31,

 
  

2025

  

2024

 

Fair value of PRSU awards vested

 $1,707  $2,370 
Schedule of Share-Based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block]
  

Year Ended December 31,

 
  

2025

 

Shares Issued

  61 

Weighted Average Purchase Price

 $8.00 

Weighted Average Fair Value of Purchase Rights

 $5.59 
Performance Shares [Member]  
Notes Tables  
Schedule of Share-Based Payment Award, Valuation Assumptions [Table Text Block]
  Year Ended December 31, 
  

2025

  

2024

 

Stock price

 $13.14 - $13.73  $25.39 - $39.49 

Expected volatility

  70.9%  66.3%

Risk-free interest rate

  3.8%  4.3%