Note 9 - Convertible Notes - Convertible Notes (Details) (Parentheticals)	9 Months Ended	12 Months Ended
Sep. 30, 2018	Dec. 31, 2017
Convertible Debt [Member]
Conversion Rights	2,808,086
Convertible Payable 1 [Member] \| Convertible Debt [Member]
Interest Rate	7.00%	7.00%
Conversion Rights	335,833	335,833
Convertible Payable 2 [Member]
Interest Rate	5.00%	5.00%
Conversion Rights	2,455,833	2,455,833
Maturing Dates Range	Between November 30, 2018 and June 2020	Between November 30, 2018 and June 2020,
Convertible Notes 3 [Member] \| Convertible Debt [Member]
Interest Rate	5.00%
Conversion Rights	16,420
Maturing Dates Range	May 2018 and June 2018

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(5))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration