Detail of Selected Balance Sheet Accounts (Details 6) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accrued and Other Current Liabilities
Customer rebates	$ 4,979	$ 6,163
Payroll, commissions, and bonuses	1,930	3,047
Accrued inventory purchases	11,122	5,140
Property taxes	977	1,041
Freight	464	689
Refund liability	1,182	435
Professional fees	399	415
Accrued interest	248	259
Lease obligations	593	71
Other	1,367	1,972
Total	$ 23,261	$ 19,232

The value of freight owed and not yet paid at year end.

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Represent the amount of accrued interest as of balance sheet date.

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The amount attributable to accrued and other current liabilities consists of accrued inventory purchases.

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The current portion of money due to customers, which will either be paid or applied to customer receivables in accordance with the terms of the contract.

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Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes.

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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 and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. 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 professional fees, such as for legal and accounting services received.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer.

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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