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Note 4 - Acquisitions (Details Textual) - USD ($)			4 Months Ended	12 Months Ended
	Aug. 05, 2014	Mar. 28, 2014	Aug. 05, 2014	Dec. 31, 2014
Notes Payable, Other Payables [Member] | Paloma and Vasculo Medics [Member]
Long-term Debt Prepayment Penalties	$ 0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Long-term Debt and Accrued Interest		$ 1,151,725
Repayments of Assumed Debt and Accrued Interest	$ 1,331,007
Interest Expense, Debt, Excluding Amortization			$ 179,282
Notes Payable, Other Payables [Member] | Paloma [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Long-term Debt and Accrued Interest		1,151,725
Paloma and Vasculo Medics [Member]
Business Combination, Consideration Transferred		$ 6,800,000
Business Combination, Pro Forma Information, Expenses of Acquiree Since Acquisition Date, Actual				$ 846,910
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest				$ 14,352,824
Paloma [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		2,500,000
Vasculo Medics [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		220,000

X

- Definition

Represents the amount of expenses of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Definition

Amount of long-term debt due and accrued interest assumed at the acquisition date.

+ References

No definition available.

+ Details

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X

- Definition

Amount of penalties incurred upon prepayment of long-term debt.

+ References

No definition available.

+ Details

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X

- Definition

The cash outflow from the repayments of accrued interest and long-term debt originally issued by another party but is assumed by the entity.

+ References

No definition available.

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Namespace Prefix:	dffn_
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X

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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X

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

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X

- Definition

Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph 8
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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X

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 19
-URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4569616-111683

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4K
-URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
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-Paragraph 1A
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4J
-URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686

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- Details

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