XML 61 R48.htm IDEA: XBRL DOCUMENT v3.19.1
Note 4 - Intangible Assets and Goodwill - Future Amortization Expense (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
2019 $ 122,000  
2020 111,000  
2021 40,000  
2022 32,000  
2023 32,000  
Thereafter 111,000  
Total $ 448,000 $ 616,000