v3.25.4
Note 11 - Notes Payable (Details Textual)
$ in Thousands
1 Months Ended
Mar. 31, 2020
USD ($)
Microscope Note Payable [Member]  
Debt Instrument, Term 5 years
Sonoscan Ultrasound Microscope [Member]  
Property, Plant and Equipment, Gross, Ending Balance $ 208