Annual report pursuant to Section 13 and 15(d)

Note 4 - Property and Equipment, Net (Details Textual)

v3.20.4
Note 4 - Property and Equipment, Net (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Depreciation, Total $ 1,295,000 $ 1,177,000