WiSA Technologies, Inc. Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Summary of the weighted average significant unobservable inputs (Level 3 inputs) used in measuring the Company's warrant liability that is categorized within Level 3 of the fair value hierarchy (Details)

Fair Value Measurements - Summary of the weighted average significant unobservable inputs (Level 3 inputs) used in measuring the Company's warrant liability that is categorized within Level 3 of the fair value hierarchy (Details)	Dec. 31, 2019 $ / shares	Dec. 31, 2018 USD ($) $ / shares	Oct. 30, 2018 $ / shares	Sep. 30, 2018 $ / shares
Warrants and Rights Outstanding, Measurement Input	0.0	0.0
Warrant [Member] \| Consultant [Member] \| Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input			59
Warrant [Member] \| Consultant [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Warrants and Rights Outstanding, Measurement Input			2.94
Warrant [Member] \| Consultant [Member] \| Measurement Input, Expected Dividend Rate [Member]
Warrants and Rights Outstanding, Measurement Input			0
Significant unobservable inputs (Level 3) [Member] \| Derivative Liability [Member]
Common Stock Price				$ 5.00
Significant unobservable inputs (Level 3) [Member] \| Derivative Liability [Member] \| Measurement Input, Expected Dividend Rate [Member]
Warrants and Rights Outstanding, Measurement Input				0.0
Significant unobservable inputs (Level 3) [Member] \| Warrant [Member]
Common Stock Price	$ 0.61	$ 3.42
Significant unobservable inputs (Level 3) [Member] \| Warrant [Member] \| Measurement Input, Expected Term [Member]
Warrants and Rights Outstanding, Measurement Input	3.26	4.27
Significant unobservable inputs (Level 3) [Member] \| Warrant [Member] \| Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input	62	58
Significant unobservable inputs (Level 3) [Member] \| Warrant [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Warrants and Rights Outstanding, Measurement Input	1.62	2.58