Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Jun. 30, 2014	Dec. 31, 2014
Common stock, shares issued	19,576,619us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	18,872,310us-gaap_CommonStockSharesOutstanding
Series B Preferred Stock [Member]
Par value (in Dollars per share)	0.01	$ 0.01
Shares authorized	50,000	50,000
Shares issued	200	200
Shares outstanding	200	200
Liquidation preference (in Dollars per share)	26,000	$ 27,000
Series A Preferred Stock [Member]
Par value (in Dollars per share)	0.01	$ 0.01
Shares authorized	10,000	10,000
Shares issued	0	0
Shares outstanding	0	0
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	19,576,619	19,927,655
Common stock, shares outstanding	18,872,310	19,223,346
Common stock, par value (in Dollars per share)	0	$ 0
Series C Preferred Stock [Member]
Par value (in Dollars per share)	0.01	$ 0.01
Shares authorized	60,000	60,000
Shares issued	0	0
Shares outstanding	0	0

Face amount or stated value per share of common stock.

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