Note 21 - Earnings Per Share (Details Textual)		1 Months Ended	12 Months Ended
Oct. 11, 2016	Oct. 31, 2016	Dec. 31, 2017 shares	Dec. 31, 2016 shares
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			0	0
Stockholders' Equity Note, Stock Split, Conversion Ratio	2.0473	2.0473
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			178,650	178,650

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration