Note 4 - Acquisition - Pro Forma Financial Information (Details) - Diffusion LLC [Member] - USD ($)	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Net revenues
Net loss	$ (16,471,398)	$ (17,618,292)
Basic and diluted loss per share (in dollars per share)	$ (1.60)	$ (3.89)

The pro forma basic and diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

No definition available.

+ Details

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Namespace Prefix:	dffn_
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Period Type:	duration

- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

+ Details

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- Details

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Period Type: