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Note 3 - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | 3 . VALUATION AND QUALIFYING ACCOUNTS
● | Allowance for uncollectible accounts
We maintain allowances for bad debts based on factors such as the composition of accounts receivable, the age of the accounts, historical bad debt experience, and our evaluation of the financial condition and past collection history of each customer. Write-offs have historically not been material, but are evaluated for write off as they are deemed uncollectible based on a periodic review of accounts. Our allowance for doubtful accounts was approximately $22,600 and $2,400 at December 31, 2017 and 2016, respectively.
● | Sales returns and defective merchandise
Product returns are generally recorded directly against sales as those returns occur. Historically, the amount of returns is immaterial and as a result, no reserve is recorded in the financial statements.
● | Slow-moving and obsolete inventory
The majority of inventory items maintained by us have no restrictive shelf life. We review all inventory items annually to determine what items should be eliminated from the product line. Items are selected for several reasons: ( 1 ) the item is slow-moving; ( 2 ) the supplier is unable to provide an acceptable quality or quantity; or ( 3 ) to maintain a freshness in the product line . Reductions in inventory for slow-moving and obsolete inventory are recorded directly against inventory.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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