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Note 2 - Significant Accounting Policies and Basis of Presentation (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Disaggregation of Revenue [Table Text Block]

Net Revenue

 

Three Months Ended

March 31,

 

(dollars in thousands)

 

2022

  

2021

 
         

Software and royalties

 $141  $39 

Hardware and consumables

  43   13 

Services

  26   4 

Maintenance

  635   677 

Total revenue

 $845  $733