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Debt (Detail Textuals 3) (Line of credit, Rabobank)
Jun. 30, 2012
USD ($)
Jun. 30, 2012
EUR (€)
Mar. 20, 2007
EUR (€)
Line of Credit Facility [Line Items]      
Short-term credit facility with Rabobank     € 650,000
Maximum credit facility     1,100,000
Variable interest prime rate of bank     2.80%
Current interest rate 3.694% 3.694%  
Outstanding balance $ 1,022,000 € 807,000