Note 9 - Commitments and Contingencies	12 Months Ended
Dec. 31, 2017
Notes
Note 9 - Commitments and Contingencies	Note 9 - 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, 2016, there were outstanding letters of credit and bank guarantees of $600 which expired in 2017. As of December 31, 2017, there were outstanding letters of credit and bank guarantees of $312 which are scheduled to expire in 2018.

The entire disclosure for commitments and contingencies.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-URI http://asc.fasb.org/topic&trid=2127136

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-URI http://asc.fasb.org/topic&trid=2144648

Name:	us-gaap_CommitmentsAndContingenciesDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration