Notes Payable and Bank Debts - Narrative (Details) (USD $)
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12 Months Ended | 3 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 6 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||||||||||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2013
Bank loans
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Dec. 31, 2012
Bank loans
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Jun. 30, 2013
Bank loans
Unsecured 4 Year Loan from UniCredit Bank AG, Munich, Germany
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Dec. 31, 2013
Bank loans
Unsecured 4 Year Loan from UniCredit Bank AG, Munich, Germany
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Dec. 31, 2013
Bank loans
Unsecured 4 Year Loan from UniCredit Bank AG, Munich, Germany
Six-month Euribor
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Dec. 31, 2013
Subordinated bank loan
Subordinated Bank Loan Due March 7, 2014
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Dec. 31, 2013
Subordinated bank loan
Subordinated Bank Loan Due March 7, 2014
Annual Interest Rate
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Dec. 31, 2013
Subordinated bank loan
Subordinated Bank Loan Due March 7, 2014
Quarterly Interest Rate
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Dec. 31, 2013
Other loans
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Dec. 31, 2012
Other loans
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Dec. 31, 2013
Other loans
Loan Agreement with HVB Investitionsbank GmbH, Munich
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Dec. 31, 2013
PMG Stock Purchase
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Jul. 09, 2013
PMG Stock Purchase
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Jul. 09, 2013
PMG Stock Purchase
Term Loan
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Jul. 09, 2013
PMG Stock Purchase
Line of Credit
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Dec. 31, 2013
IFES Acquisition Corp Limited
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Oct. 18, 2013
IFES Acquisition Corp Limited
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Oct. 18, 2013
IFES Acquisition Corp Limited
Commercial mortgage loan
Mortgage letters maturing October 2014
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Oct. 18, 2013
IFES Acquisition Corp Limited
Commercial mortgage loan
Mortgage letters maturing October 2032
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Jun. 30, 2012
Bridge Loan
Row 44 Bridge Loan
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Jun. 30, 2012
Bridge Loan
Row 44 Bridge Loan
financing_round
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Dec. 31, 2012
Bridge Loan
Row 44 Bridge Loan
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Dec. 31, 2011
Bridge Loan
Row 44 Bridge Loan
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Mar. 31, 2012
Bridge Loan
Row 44 Bridge Loan
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Dec. 31, 2012
Maximum
Bridge Loan
Row 44 Bridge Loan
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Dec. 31, 2012
Minimum
Bridge Loan
Row 44 Bridge Loan
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Debt Instrument [Line Items] | |||||||||||||||||||||||||||||
Convertible Debt | $ 10,000,000 | $ 10,000,000 | |||||||||||||||||||||||||||
Stated interest rate | 8.80% | 1.00% | 7.80% | 12.00% | |||||||||||||||||||||||||
Conversion Price, Discount Percentage of Issuance Price | 20.00% | 20.00% | |||||||||||||||||||||||||||
Financing, Number of Rounds | 2 | ||||||||||||||||||||||||||||
Warrant to purchase convertible preferred stock, shares | 3,400,000 | ||||||||||||||||||||||||||||
Warrant exercise price | 0.003 | ||||||||||||||||||||||||||||
Debt Instrument, Redemption Amount, Percentage Over Face | 20.00% | ||||||||||||||||||||||||||||
Amortization of Debt Discount (Premium) | 300,000 | ||||||||||||||||||||||||||||
Short-term Debt | 7,300,000 | ||||||||||||||||||||||||||||
Interest Payable | 100,000 | ||||||||||||||||||||||||||||
Interest Expense, Debt | 9,600,000 | ||||||||||||||||||||||||||||
Debt Conversion, Original Debt, Amount | 20,000,000 | ||||||||||||||||||||||||||||
Debt Conversion, Accrued Interest, Amount | 800,000 | 800,000 | |||||||||||||||||||||||||||
Debt Instrument, Convertible, Effective Interest Rate | 421.00% | 126.00% | |||||||||||||||||||||||||||
Debt instrument, term | 4 years | ||||||||||||||||||||||||||||
Debt instrument, face amount | 15,900,000 | 2,600,000 | 1,100,000 | ||||||||||||||||||||||||||
Repayment of long-term borrowings | (204,008,000) | 0 | 0 | 700,000 | |||||||||||||||||||||||||
Repayments of debt | 2,200,000 | ||||||||||||||||||||||||||||
Basis spread on variable rate | 2.35% | ||||||||||||||||||||||||||||
Loan payment | 1,400,000 | ||||||||||||||||||||||||||||
Accrued interest | 3,400,000 | 0 | 0 | ||||||||||||||||||||||||||
Maturity date | Mar. 07, 2014 | ||||||||||||||||||||||||||||
Long-term debt, excluding current maturities | 0 | 52,000 | 0 | 52,000 | 2,800,000 | 0 | 0 | ||||||||||||||||||||||
Business acquisition, assumed indebtedness | $ 3,300,000 | $ 1,500,000 | $ 1,800,000 | $ 1,300,000 | $ 200,000 | $ 1,100,000 | |||||||||||||||||||||||
Effective interest rate percentage | 3.25% | 3.25% |