Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Accrued Liabilities - Accrued Liabilities (Details)

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Note 5 - Accrued Liabilities - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Accrued payroll and other related expenses $ 438 $ 473
Deferred revenue - subscription rental program 274 345
Accrued bonuses 265 744
Accrued professional fees 256 290
Accrued clinical trial costs 192 91
Accrued inventory 87
Other accruals 187 240
Total accrued liabilities 1,873 2,416 [1]
Customer Advances [Member]    
Contract with customer, liability 78 14
Accrued Liabilities [Member]    
Current operating lease liabilities $ 183 $ 132
[1] The condensed consolidated balance sheet as of December 31, 2020 has been derived from the audited consolidated financial statements as of that date.