Consolidated Balance Sheets (Parentheticals) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Preferred stock, undesignated, par (in Dollars per share)	$ 0.10	$ 0.10
Preferred stock, undesignated, shares authorized (in Shares)	2,000,000us-gaap_PreferredStockSharesAuthorized	2,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, undesignated, shares outstanding (in Shares)	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common stock, par (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in Shares)	125,000,000us-gaap_CommonStockSharesAuthorized	125,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued (in Shares)	37,360,515us-gaap_CommonStockSharesIssued	37,983,114us-gaap_CommonStockSharesIssued
Common stock, shares outstanding (in Shares)	37,360,515us-gaap_CommonStockSharesOutstanding	37,983,114us-gaap_CommonStockSharesOutstanding

Face amount or stated value per share of common stock.

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