XML 62 R49.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 6 - Goodwill and Intangible Assets - Estimated Future Amortization Expense Related to Definite-lived Intangible Assets (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
2018 $ 5,000  
2019 3,000  
2020 3,000  
2021 2,000  
2022 2,000  
Thereafter 6,000  
$ 21,000 $ 34,000