Note 12 - Changes in Fair Value of Level 3 Measurements (Details) $ in Thousands	6 Months Ended
Jun. 30, 2016 USD ($)
Warrant [Member]
Change in fair value of derivative instruments	$ (1,376)
Change in fair value of derivative instruments	1,376
Interest Rate Swap [Member]
Change in fair value of derivative instruments	(156)
Change in fair value of derivative instruments	156
Closing balance	3,216
Closing balance	$ 1,996

Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration