Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Selected Balance Sheet Data (Details Textual)

v3.20.2
Note 3 - Selected Balance Sheet Data (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Finite-lived Intangible Assets Acquired $ 0  
Patented Technology [Member]    
Finite-lived Intangible Assets Acquired 5,000  
Other Noncurrent Assets [Member]    
Inventory, Finished Goods, Net of Reserves, Non-current $ 4,692 $ 4,646