Note 14 - Accrued Severance Liability Activity (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2015
Balance at	$ 379
Accrual of expense	223	$ 944	$ 1,718
Payments	(314)	(213)	(704)
Adjustments	(58)		(635)
Balance at	$ 230	$ 731	$ 379

Liability for amount due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Other Postemployment Benefits
-URI http://asc.fasb.org/extlink&oid=6519534

Name:	us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant