Restricted Cash (Tables)  | 
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Jun. 30, 2015  | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Restricted Cash [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Restricted Cash and Cash Equivalents [Table Text Block] | 
 
The following table presents the Company’s restricted cash balances as of June 30, 2015 and December 31, 2014:
 
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- Definition Restricted Cash [Abstract] No definition available. 
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- Definition Tabular disclosure of the cash and cash items which are restricted as to withdrawal or usage. The provisions of any restrictions are described in a note to the financial statements. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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