Aggregate dividends paid during the period for each share of preferred stock outstanding.

No definition available.

Name:	us-gaap_PreferredStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Note 10 - Subsequent Events (Details) - Series C Preferred Stock [Member] - $ / shares	Jun. 15, 2016	Apr. 28, 2016
Scenario, Forecast [Member]
Note 10 - Subsequent Events (Details) [Line Items]
Preferred Stock, Dividends, Per Share, Cash Paid	$ 15.00
Subsequent Event [Member]
Note 10 - Subsequent Events (Details) [Line Items]
Preferred Stock, Dividends, Per Share, Cash Paid		$ 15.00