Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Restructuring Costs (Details Textual)

v3.20.2
Note 15 - Restructuring Costs (Details Textual)
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 31, 2019
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Restructuring and Related Cost, Number of Positions Eliminated 40        
Restructuring Charges, Total $ 742,000 $ 742,000