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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Allowance for doubtful accounts receivable - current $ 2,069us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 2,184us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Related party accounts receivable - current 1,865us-gaap_AccountsReceivableRelatedPartiesCurrent 690us-gaap_AccountsReceivableRelatedPartiesCurrent
Related party prepaid expenses - current 906true_PrepaidExpenseCurrentRelatedParty 0true_PrepaidExpenseCurrentRelatedParty
Related party accounts payable - current 4,954us-gaap_AccountsPayableRelatedPartiesCurrent 3,939us-gaap_AccountsPayableRelatedPartiesCurrent
Preferred stock, par value (in dollar per share) $ 0.0001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.0001us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized 20,000,000us-gaap_PreferredStockSharesAuthorized 0us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common stock, par value $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 1,000,000,000us-gaap_CommonStockSharesAuthorized 150,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 79,811,769us-gaap_CommonStockSharesIssued 59,955,343us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 79,811,769us-gaap_CommonStockSharesOutstanding 59,955,343us-gaap_CommonStockSharesOutstanding
Other current assets    
Related party receivable - current 0us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherCurrentAssetsMember
363us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherCurrentAssetsMember
Accrued Expenses    
Related party accrued expenses - current $ 0us-gaap_DueToRelatedPartiesCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_AccruedLiabilitiesMember
$ 516us-gaap_DueToRelatedPartiesCurrent
/ us-gaap_BalanceSheetLocationAxis
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Series A preferred stock    
Par value $ 0.0001us-gaap_TemporaryEquityParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
$ 0.0001us-gaap_TemporaryEquityParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
Shares authorized 0us-gaap_TemporaryEquitySharesAuthorized
/ us-gaap_StatementClassOfStockAxis
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4,500,000us-gaap_TemporaryEquitySharesAuthorized
/ us-gaap_StatementClassOfStockAxis
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Shares issued 0us-gaap_TemporaryEquitySharesIssued
/ us-gaap_StatementClassOfStockAxis
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2,857,143us-gaap_TemporaryEquitySharesIssued
/ us-gaap_StatementClassOfStockAxis
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Shares outstanding 0us-gaap_TemporaryEquitySharesOutstanding
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2,857,143us-gaap_TemporaryEquitySharesOutstanding
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= us-gaap_ConvertiblePreferredStockMember