XML 102 R88.htm IDEA: XBRL DOCUMENT v2.4.1.9
Supplemental disclosure of cash flow information (Details Textual)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Redeemable Preferred Stock [Member]      
Supplemental Disclosure Of Cash Flow Information [Line Items]      
Stock Issued During Period, Shares, Issued for Services 5,957us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemablePreferredStockMember		 10,180us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemablePreferredStockMember		 10,033us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemablePreferredStockMember
Stock Issued During Period, Shares, Conversion of Convertible Securities 4,756us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemablePreferredStockMember		 4,720us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemablePreferredStockMember		 2,629us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemablePreferredStockMember
Common Stock [Member]      
Supplemental Disclosure Of Cash Flow Information [Line Items]      
Stock Issued During Period, Shares, Issued for Services 18,294us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_CommonStockMember		 25,111us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_CommonStockMember		 21,686us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_CommonStockMember