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10. Other accrued expenses and other liabilities (Tables)
12 Months Ended
Dec. 31, 2013
Other Accrued Expenses And Other Liabilities Tables  
Other accrued expenses and other liabilities
    December 31,     December 31,  
    2013     2012  
Payroll related   $ 479,087     $ 329,191  
Estimated damage liability that may not be covered by insurance     393,592       300,000  
Estimated settlement with vendor in Europe           300,000  
Professional fees     110,000       269,710  
Accrued board fees     657,934       241,011  
Consultant fees           133,777  
Other     57,101       109,819  
    $ 1,697,714     $ 1,683,508