Note 6 - Investment in account receivable: Schedule of Receivables with Imputed Interest (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Details
Face value	$ 936,000	$ 1,053,000
Unamortized discount	(443,285)	(479,638)
Net balance	492,715	573,362
Current portion *	(74,197)	(117,000)
Long term portion	$ 418,518	$ 456,362