XML 49 R25.htm IDEA: XBRL DOCUMENT v3.3.1.900

Note 3 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Property, Plant, and Equipment Usefu lLife [Table Text Block]

Equipment ( years)	3	–	5
Furniture and fixtures ( years)		5
Leasehold improvements	Lesser of lease term or life of improvements

X

- Definition

Tabular disclosure of the useful life of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

No definition available.

+ Details

Name:	dffn_ScheduleOfPropertyPlantAndEquipmentUsefuLlifeTableTextBlock
Namespace Prefix:	dffn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration