U.S. Credit Agreement and Term Loan (Details) (USD $)	Jan. 17, 2014	Dec. 31, 2013	Dec. 31, 2010
U.S. Credit Agreement and Term Loan
Company entered into a credit agreement for a term loan in millions			$ 2
Company entered into a credit agreement for line of credit in millions			2
The term loan bears interest at a fixed rate per annum			5.50%
The monthly principal and interest payment			38,620
The balance on the term loan		911,000
Company entered into the third amendment with the Lender and is required to pledge a certificate of deposit in the amount as additional security against the outstanding loan balance	$ 350,000