Note 2 - Summary of significant accounting policies: Investment in account receivable, net of discount (Policies)	3 Months Ended
Mar. 31, 2019
Policies
Investment in account receivable, net of discount	Investment in account receivable, net of discount On April 10, 2015, the Company entered into an exchange agreement whereby the Company received an investment in account receivable with annual installment payments of $117,000 through 2026. The investment is stated at face value, net of unamortized purchase discount. The discount is amortized to interest income over the term of the exchange agreement.

Disclosure of accounting policy for determining the allowance for doubtful accounts for trade and other accounts receivable balances, and when impairments, charge-offs or recoveries are recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5144-111524

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Balance Type:	na
Period Type:	duration