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Consolidated Balance Sheets Consolidated Balance Sheet Parentheticals (USD $)
Dec. 31, 2014
Dec. 31, 2013
Preferred Stock, No Par Value $ 0us-gaap_PreferredStockNoParValue $ 0us-gaap_PreferredStockNoParValue
Preferred Stock, Shares Authorized 30,000,000us-gaap_PreferredStockSharesAuthorized 30,000,000us-gaap_PreferredStockSharesAuthorized
Preferred Stock, Shares Issued 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Preferred Stock, Shares Outstanding 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common Stock, No Par Value $ 0us-gaap_CommonStockNoParValue $ 0us-gaap_CommonStockNoParValue
Common Stock, Shares Authorized 160,000,000us-gaap_CommonStockSharesAuthorized 160,000,000us-gaap_CommonStockSharesAuthorized
Common Stock, Shares, Issued 78,228,339us-gaap_CommonStockSharesIssued 78,085,559us-gaap_CommonStockSharesIssued
Common Stock, Shares, Outstanding 78,228,339us-gaap_CommonStockSharesOutstanding 78,085,559us-gaap_CommonStockSharesOutstanding