Note 7 - Lease Commitments (Details Textual) - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Operating Leases, Rent Expense, Net, Total	$ 39,166	$ 31,712
Topeka Headquarters [Member]
Lessee, Operating Lease, Renewal Term	3 years
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 37,824
Office in Bismarck, ND [Member]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	11,095
Operating Leases, Future Minimum Payments, Due in Two Years	$ 8,446

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due 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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