Annual report pursuant to Section 13 and 15(d)

Note 6 - Accrued Liabilities - Accrued Liabilities (Details)

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Note 6 - Accrued Liabilities - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Accrued bonuses $ 744 $ 726    
Accrued payroll and other related expenses 473 839    
Deferred revenue - subscription rental program 345 662    
Accrued professional fees 290 592    
Accrued inventory 87 474    
Accrued sales commission 37 281    
Accrued interest 9 440    
Other accruals 268 255    
Total accrued liabilities 2,416 4,698 $ 6,996 $ 6,766
Customer Contracts Liabilites [Member]        
Contract with customer, liability 17 108    
Customer Advances [Member]        
Contract with customer, liability 14 53    
Accrued Liabilities [Member]        
Current operating lease liabilities $ 132 $ 268