Note 5 - Investment in account receivable (Details) - USD ($)	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Details
Discount Amortization included in Interest Income	$ 19,999	$ 14,958

Represents the monetary amount of Discount Amortization included in Interest Income, during the indicated time period.

No definition available.

Name:	fil_DiscountAmortizationIncludedInInterestIncome
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration