Accrued expenses consist of the following (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Accrued expenses consist of the following
Accrued payroll and compensation related costs	$ 1,531,175	$ 708,495
Accrued dealer commissions and customer rebates	235,690	1,097,498
Other accrued liabilities	1,301,909	2,022,052
Total accrued expenses	$ 3,068,774	$ 3,828,045

Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. 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 for sales commissions. 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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- Definition

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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