Note 10 - Commitments and Contingencies	12 Months Ended
Dec. 31, 2019
Disclosure Text Block [Abstract]
Note 10 - Commitments and Contingencies	Note 10 - Commitments and Contingencies *Letters of Credit* Under the terms of financing arrangements for letters of credit, E&S is required to maintain a balance in a specific cash account equal to or greater than the outstanding value of all letters of credit or bank guarantees issued, plus other amounts necessary to adequately secure obligations with the financial institution. As of December 31, 2018, there were outstanding letters of credit and bank guarantees of $220 which are scheduled to expire in 2019. As of December 31, 2019, there was an outstanding letter of credit and bank guarantee of $31 which is scheduled to expire in January 2021.

Note 10 - Commitments and Contingencies

12 Months Ended

Dec. 31, 2019

Letters of Credit

Under the terms of financing arrangements for letters of credit, E&S is required to maintain a balance in a specific cash account equal to or greater than the outstanding value of all letters of credit or bank guarantees issued, plus other amounts necessary to adequately secure obligations with the financial institution. As of December 31, 2018, there were outstanding letters of credit and bank guarantees of $220 which are scheduled to expire in 2019. As of December 31, 2019, there was an outstanding letter of credit and bank guarantee of $31 which is scheduled to expire in January 2021.