Note 6 - Investment in account receivable (Details) - USD ($)	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Details
Discount Amortization included in Interest Income	$ 91,375	$ 103,413

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