Accounts Receivable and Allowance For Doubtful Accounts	9 Months Ended
Sep. 30, 2016
Notes
Accounts Receivable and Allowance For Doubtful Accounts	Receivables Accounts receivable include uncollateralized customer obligations due under normal trade terms requiring payment within 30-60 days from invoice date. Payments of accounts receivable are allocated to the specific invoices identified on the customer’s remittance advice or, if unspecified, are applied to the earliest unpaid invoices. The carrying amount of accounts receivable is reduced by a valuation allowance for doubtful accounts that reflects management’s best estimate of the amounts that will not be collected based on historical collection trends. The allowance for doubtful accounts was $70,886 and $48,011 as of September 30, 2016, and December 31, 2015.

Disclosure of accounting policy for trade and other accounts receivables. This disclosure may include the basis at which such receivables are carried in the entity's statements of financial position (for example, net realizable value), how the entity determines the level of its allowance for doubtful accounts, when impairments, charge-offs or recoveries are recognized, and the entity's income recognition policies for such receivables, including its treatment of related fees and costs, its treatment of premiums, discounts or unearned income, when accrual of interest is discontinued, how the entity records payments received on nonaccrual receivables and its policy for resuming accrual of interest on such receivables. If the enterprise holds a large number of similar loans, disclosure may include the accounting policy for the anticipation of prepayments and significant assumptions underlying prepayment estimates for amortization of premiums, discounts, and nonrefundable fees and costs.

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