Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) - $ / shares	Dec. 31, 2016	Dec. 31, 2015
Warrant [Member]
Warrants, exercise price per share (in dollars per share)	$ 6	$ 6
Common Stock [Member]
Common stock, price per share (in dollars per share)	7
Warrants, exercise price per share (in dollars per share)	$ 6

Exercise price per share or per unit of warrants or rights outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant