DiaMedica Therapeutics, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Note 8 - Warrant Liability (Details Textual)

Note 8 - Warrant Liability (Details Textual)				1 Months Ended		12 Months Ended
Note 8 - Warrant Liability (Details Textual)	Mar. 29, 2018 $ / shares shares	Dec. 18, 2017 $ / shares shares	Apr. 17, 2017 $ / shares shares	Feb. 28, 2018 USD ($) shares	Feb. 29, 2016 USD ($) shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2017 USD ($) shares	Feb. 29, 2016 $ / shares	Feb. 29, 2016 USD ($) shares
Proceeds from Warrant Exercises \| $						$ 607,000	$ 615,000
Warrants and Rights Outstanding \| $							$ 84,000
Stock Issued During Period, Shares, Exercise of Common Stock Warrants						128,594	134,079
Warrants Issued in Private Placement [Member]
Class of Warrant or Right, Outstanding									117,188
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right	1	1	1						1
Class of Warrant or Right, Exercise Price of Warrants or Rights \| (per share)	$ 7	$ 7	$ 4.60					$ 5
Proceeds from Warrant Exercises \| $					$ 281,000
Stock Issued During Period, Shares, Exercise of Common Stock Warrants							131,578
Warrants Issued in Private Placement [Member] \| Measurement Input, Price Volatility [Member] \| Minimum [Member]
Warrants and Rights Outstanding, Measurement Input									1.918
Warrants Issued in Private Placement [Member] \| Measurement Input, Price Volatility [Member] \| Maximum [Member]
Warrants and Rights Outstanding, Measurement Input									2.25
Warrants Issued in Private Placement [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Minimum [Member]
Warrants and Rights Outstanding, Measurement Input									0.0043
Warrants Issued in Private Placement [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Maximum [Member]
Warrants and Rights Outstanding, Measurement Input									0.0049
Warrants Issued in Private Placement [Member] \| Measurement Input, Expected Term [Member]
Warrants and Rights Outstanding, Measurement Input									2
Compensation Warrants Issued In Connection With Private Placement [Member]
Class of Warrant or Right, Outstanding									10,915
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right									1
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares								$ 5
Proceeds from Warrant Exercises \| $				$ 483,000
Warrants and Rights Outstanding, Term									2 years
Warrants and Rights Outstanding \| $									$ 24,000
Stock Issued During Period, Shares, Exercise of Common Stock Warrants				121,256
Class of Warrant or Right, Warrants Expired During Period				4,346
Compensation Warrants Issued In Connection With Private Placement [Member] \| Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input				0.167
Compensation Warrants Issued In Connection With Private Placement [Member] \| Measurement Input, Price Volatility [Member] \| Minimum [Member]
Warrants and Rights Outstanding, Measurement Input									1.918
Compensation Warrants Issued In Connection With Private Placement [Member] \| Measurement Input, Price Volatility [Member] \| Maximum [Member]
Warrants and Rights Outstanding, Measurement Input									2.25
Compensation Warrants Issued In Connection With Private Placement [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Warrants and Rights Outstanding, Measurement Input				0.018
Compensation Warrants Issued In Connection With Private Placement [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Minimum [Member]
Warrants and Rights Outstanding, Measurement Input									0.0043
Compensation Warrants Issued In Connection With Private Placement [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Maximum [Member]
Warrants and Rights Outstanding, Measurement Input									0.0049
Compensation Warrants Issued In Connection With Private Placement [Member] \| Measurement Input, Expected Term [Member]
Warrants and Rights Outstanding, Measurement Input									2
Compensation Warrants Issued In Connection With Private Placement [Member] \| Measurement Input, Expected Term [Member] \| Minimum [Member]
Warrants and Rights Outstanding, Measurement Input				0.01
Compensation Warrants Issued In Connection With Private Placement [Member] \| Measurement Input, Expected Term [Member] \| Maximum [Member]
Warrants and Rights Outstanding, Measurement Input				0.03
Private Placement [Member]
Units Issued During Period, Units, New Issues	1,322,965	181,220	526,316		234,375
Units, Number of Common Shares Per Unit	1	1	1						1
Units, Number of Common Share Purchase Warrant Per Unit	0.5	0.5	0.5						0.5