Note 12 - Commitments and Contingencies (Details Textual) $ in Millions			1 Months Ended		12 Months Ended	24 Months Ended
	Sep. 30, 2026 USD ($)	Apr. 27, 2026	Dec. 31, 2024	May 31, 2024	Dec. 31, 2023	Dec. 31, 2023
Parkervision V. Qualcomm, Middle District of Florida, Transmitter-only Case [Member]
Gain Contingency Damages Sought	$ 440
Parkervision V. Qualcomm, Middle District of Florida, Receiver Claims [Member]
Gain Contingency Damages Sought	$ 860
Parkervision V. Mediatek Western District Of Texas [Member]
Gain Contingency, Patents Allegedly Infringed upon, Number						10
Parkervision V. Realtek Western District of Texas [Member]
Gain Contingency, Patents Allegedly Infringed upon, Number		3				7
Contingency, New Claims Filed, Number						2
Parkervision V. Texas Instruments Western District of Texas [Member]
Gain Contingency, Patents Allegedly Infringed upon, Number					3
Parkervision V. NXP Semiconductors Western District of Texas [Member]
Gain Contingency, Patents Allegedly Infringed upon, Number					3
TI v. ParkerVision (PTAB) [Member]
Inter Partes Review, Number of Claims				3
NXP v. ParkerVision (PTAB) [Member]
Inter Partes Review, Number of Claims			2