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Note 8 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	$ 242,000	$ 445,000
Income Tax Expense (Benefit)	0	0
Unrecognized Tax Benefits	0	0
Domestic Tax Authority [Member]
Operating Loss Carryforwards	4,035,000	1,310,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	4,027,000	1,303,000
Foreign Tax Authority [Member]
Operating Loss Carryforwards	1,174,000	1,256,000
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount	$ 56,000	$ 201,000

X

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319

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+ References

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