| Accrued Expenses and Long-Term Liabilities (Tables) | 3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Mar. 31, 2014 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Liabilities Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Accrued Liabilities [Table Text Block] | 
Other accrued expenses consisted of the following as of March 31, 2014 and December 31, 2013:
 
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| Long-term Liabilities [Table Text Block] | 
Long-term liabilities consisted of the following as of March 31, 2014 and December 31, 2013:
 
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- Details 
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- Definition Tabular disclosure of the components of accrued liabilities. No definition available. 
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- Definition Tabular disclosure of other assets and other liabilities not separately disclosed on the balance sheet. No definition available. 
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