XML 65 R50.htm IDEA: XBRL DOCUMENT v3.20.4
Note 2 - Leases - Lease Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Amortization expense $ 425 $ 481
Interest expense 261 348
Operating lease expense 1,406 1,406
Variable lease expense 317 272
Total lease expense $ 2,409 $ 2,507