Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30, 31

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Name:	us-gaap_StockRepurchasedDuringPeriodValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Note 10 - Stock Repurchase Program (Details Textual)		9 Months Ended
Note 10 - Stock Repurchase Program (Details Textual)	Aug. 11, 2014 USD ($) shares	Sep. 30, 2014 shares	May. 07, 2015 USD ($)
Common Stock [Member]
Stock Repurchase Program, Authorized Amount \| $			$ 25,000,000
Stock Repurchased During Period, Shares		(125,000)
Preferred Stock [Member]
Stock Repurchase Program, Authorized Amount \| $			$ 25,000,000
Stock Repurchased During Period, Shares
Stock Repurchase Program Number of Plans			2
Stock Repurchased During Period, Shares	125,000
Stock Repurchased During Period, Value \| $	$ 6,995,000