Note 2 - Summary of Significant Accounting Policies - Inventory (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Raw material	$ 48,211	$ 34,104
Finished goods	8,594	19,869
Total	$ 56,805	$ 53,973

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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