Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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The cash inflow from a borrowing supported by a written promise to pay an obligation.

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Note 7 - Note Payable (Details Textual) - USD ($)		3 Months Ended		6 Months Ended
Note 7 - Note Payable (Details Textual) - USD ($)	Feb. 28, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Proceeds from Notes Payable, Total				$ 50,000
Warrants and Rights Outstanding, Term	5 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	178,571
Interest Expense, Total		$ 625		833
Common Stock Purchase Warrants [Member]
Warrants and Rights Outstanding, Term	5 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	178,571
Senior Notes [Member]
Debt Instrument, Term	5 years
Proceeds from Notes Payable, Total	$ 50,000
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 0
Long-term Debt, Maturities, Repayments of Principal in Year Two	10,417
Long-term Debt, Maturities, Repayments of Principal in Year Three	12,500
Long-term Debt, Maturities, Repayments of Principal after Year Five	2,083
Interest Expense, Total		$ 625		$ 833
Long-term Debt, Maturities, Repayments of Principal in Year Four	12,500
Long-term Debt, Maturities, Repayments of Principal in Year Five	$ 12,500