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SIGNIFICANT ACCOUNTING POLICIES AND BASIS OF PRESENTATION (Tables)
3 Months Ended
Mar. 31, 2021
Accounting Policies [Abstract]  
Disaggregation of revenue
   

Three Months Ended

March 31,

 
Net Revenue   2021     2020  
(dollars in thousands)            
             
Software and royalties   $ 39     $ 125  
Hardware and consumables     13       14  
Services     4       11  
Maintenance     677       646  
Total revenue   $ 733     $ 796