| Notes Payable and Bank Debts - Narrative (Details) (USD $) | 3 Months Ended | 3 Months Ended | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep. 30, 2014 | Sep. 30, 2014
 Line of Credit | Sep. 30, 2014
 Bank loans
 Unsecured 4 Year Loan from UniCredit Bank AG, Munich, Germany | Jun. 30, 2013
 Bank loans
 Unsecured 4 Year Loan from UniCredit Bank AG, Munich, Germany | Dec. 31, 2013
 Bank loans
 Unsecured 4 Year Loan from UniCredit Bank AG, Munich, Germany | Sep. 30, 2014
 Bank loans
 Unsecured 4 Year Loan from UniCredit Bank AG, Munich, Germany
 Six-month Euribor | Sep. 30, 2014
 Subordinated bank loan
 Subordinated Bank Loan Due March 7, 2014 | Sep. 30, 2014
 Subordinated bank loan
 Subordinated Bank Loan Due March 7, 2014
 Annual Interest Rate | Sep. 30, 2014
 Subordinated bank loan
 Subordinated Bank Loan Due March 7, 2014
 Quarterly Interest Rate | Sep. 30, 2014
 PMG | Jul. 10, 2013
 PMG | Jul. 09, 2013
 PMG | Sep. 30, 2014
 PMG
 Term Loan | Jul. 09, 2013
 PMG
 Term Loan | Sep. 30, 2014
 PMG
 Line of Credit | Jul. 09, 2013
 PMG
 Line of Credit | Sep. 30, 2014
 IFES Acquisition Corp Limited | Dec. 31, 2013
 IFES Acquisition Corp Limited | Oct. 18, 2013
 IFES Acquisition Corp Limited | Oct. 18, 2013
 IFES Acquisition Corp Limited
 Commercial mortgage loan
 Mortgage letters maturing October 2014 | Oct. 18, 2013
 IFES Acquisition Corp Limited
 Commercial mortgage loan
 Mortgage letters maturing October 2032 | |
| Debt Instrument [Line Items] | |||||||||||||||||||||
| Debt instrument, term | 4 years | ||||||||||||||||||||
| Debt instrument, face amount | $ 15,900,000 | $ 2,600,000 | |||||||||||||||||||
| Repayment of long-term borrowings | 700,000 | ||||||||||||||||||||
| Repayments of debt | 2,200,000 | ||||||||||||||||||||
| Debt Instrument, Fee Amount | 0 | ||||||||||||||||||||
| Basis spread on variable rate | 2.35% | ||||||||||||||||||||
| Loan payment | 1,400,000 | ||||||||||||||||||||
| Maturity date | Mar. 07, 2014 | ||||||||||||||||||||
| Stated interest rate | 8.80% | 1.00% | 7.80% | ||||||||||||||||||
| Long-term Debt | 3,456,000 | 0 | 3,400,000 | ||||||||||||||||||
| Business acquisition, assumed indebtedness | 3,300,000 | 3,300,000 | 1,500,000 | 1,800,000 | 1,300,000 | 200,000 | 1,100,000 | ||||||||||||||
| Effective interest rate percentage | 5.00% | 3.25% | |||||||||||||||||||
| Accrued interest | 0 | 0 | |||||||||||||||||||
| Principal balance outstanding | 1,100,000 | 1,300,000 | |||||||||||||||||||
| Borrowings outstanding under facility letters | $ 1,000,000 | ||||||||||||||||||||