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Notes Payable and Bank Debts - Narrative (Details) (USD $)
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9 Months Ended | 3 Months Ended | 3 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2013
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Sep. 30, 2012
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Dec. 31, 2012
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Sep. 30, 2013
Bank loans
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Dec. 31, 2012
Bank loans
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Sep. 30, 2013
Bank loans
Unsecured 4 Year Loan from UniCredit Bank AG, Munich, Germany
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Jun. 30, 2013
Bank loans
Unsecured 4 Year Loan from UniCredit Bank AG, Munich, Germany
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Jun. 30, 2011
Bank loans
Unsecured 4 Year Loan from UniCredit Bank AG, Munich, Germany
Six-month Euribor
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Sep. 30, 2013
Subordinated bank loan
Subordinated Bank Loan Due March 7, 2014
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Sep. 30, 2013
Subordinated bank loan
Subordinated Bank Loan Due March 7, 2014
Annual Interest Rate
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Sep. 30, 2013
Subordinated bank loan
Subordinated Bank Loan Due March 7, 2014
Quarterly Interest Rate
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Sep. 30, 2013
Other loans
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Dec. 31, 2012
Other loans
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Sep. 30, 2013
Other loans
Loan Agreement with HVB Investitionsbank GmbH, Munich
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Sep. 30, 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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| Debt Instrument [Line Items] | ||||||||||||||||||
| Debt instrument, term | 4 years | |||||||||||||||||
| Debt instrument, face amount | $ 15,900,000 | $ 2,600,000 | $ 1,100,000 | |||||||||||||||
| Repayment of long-term borrowings | 0 | 0 | 700,000 | |||||||||||||||
| Repayments of debt | 2,200,000 | |||||||||||||||||
| Basis spread on variable rate | 2.35% | |||||||||||||||||
| Stated interest rate | 8.80% | 1.00% | 7.80% | |||||||||||||||
| Loan payment | 1,400,000 | |||||||||||||||||
| Long-term debt | 11,482,000 | |||||||||||||||||
| Long-term debt, excluding current maturities | 70,000 | 38,000 | 70,000 | 38,000 | 5,400,000 | 2,700,000 | 0 | 0 | ||||||||||
| Maturity date | Mar. 07, 2014 | |||||||||||||||||
| Business acquisition, assumed indebtedness | 3,300,000 | 1,500,000 | 1,800,000 | |||||||||||||||
| Effective interest rate percentage | 3.25% | |||||||||||||||||
| Accrued interest | $ 0 | |||||||||||||||||