Accrued expenses payable (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Summary of accrued expenses payable
Accrued customer promotions	$ 415,392	$ 431,015
Accrued payroll, commissions, and benefits	317,810	188,645
Other	334,153	293,469
Total accrued expenses payable	$ 1,067,355	$ 913,129

Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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