Note 8 - Other Assets	6 Months Ended
Jun. 30, 2016
Notes to Financial Statements
Other Assets Disclosure [Text Block]	8. Other Assets Other assets totaled $36 and $31 as of June 30, 2016 and December 31, 2015, respectively, and consisted of deposits under long-term lease agreements.

The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets.

No definition available.

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