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9. Other accrued expenses and other liabilities (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Accounts Payable and Accrued Liabilities    
Payroll related $ 527,509 $ 329,191
Estimated damage liability that may not be covered by insurance 300,000 300,000
Estimate settlement with vendor in Europe 300,000 300,000
Professional fees 129,358 269,710
Accrued board fees 457,865 241,011
Consultant fees 196,277 133,777
Accrued legal judgments 84,899 84,899
Other 4,754 14,920
Travel expenses 10,000 10,000
Total Accounts Payable and Accrued Liabilities $ 2,010,662 $ 1,683,508