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

Annual report pursuant to Section 13 and 15(d)

Convertible Preferred Stock and Stockholders' Equity - Warrants for shares of common stock (Details)

Convertible Preferred Stock and Stockholders' Equity - Warrants for shares of common stock (Details)							1 Months Ended						12 Months Ended
	Jul. 27, 2021 USD ($)	Jun. 04, 2021 USD ($) $ / shares shares	Nov. 09, 2020 $ / shares shares	May 18, 2020 shares	Apr. 23, 2020 USD ($) $ / shares shares	Apr. 18, 2019 $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) $ / shares shares	Jan. 31, 2021 USD ($) $ / shares shares	Apr. 30, 2020 USD ($) $ / shares shares	Mar. 31, 2020 USD ($) $ / shares shares	Feb. 29, 2020 USD ($)	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Apr. 23, 2021
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock			45,534
Exercise price of warrants \| $ / shares			$ 2.55
Deemed dividend from warrant repricing \| $														$ 134,000
Proceeds from Warrant Exercises \| $													$ 0	$ 789,000
Shares issued							0						0	250,000
Dividend rate													8.00%	8.00%
Issuance of common stock			236,375	60,250
Proceeds from issuance of common stock upon warrant exercises, net of issuance costs \| $													$ 8,303,000	$ 0
Lippert Heishorn Associates Inc
Class of Stock [Line Items]
Exercise price of warrants \| $ / shares							$ 1.52						$ 1.52
Proceeds from Warrant Exercises \| $							$ 21,000
Issuance of common stock							25,000
Lisa Walsh
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock		187,500				12,756
Exchange of convertible preferred stock for common stock (in shares)		250,000
Warrant term		5 years 4 months
Alexander Capital, LP.
Class of Stock [Line Items]
Proceeds from Warrant Exercises \| $												$ 11,000
Common Shares
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock			236,369
Exchange of convertible preferred stock for common stock (in shares)														500
Issuance of common stock														5,931,062
Issuance of common stock upon warrant exchanged													3,465,495
June 4th Purchase Agreement
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock							2,275,000						2,275,000
Exercise price of warrants \| $ / shares							$ 2.55						$ 2.55
Fair value of warrant \| $							$ 3,153,000						$ 3,153,000
Common Stock Price \| $ / shares							$ 2.52						$ 2.52
June 9th Purchase Agreement
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock							2,040,000						2,040,000
Exercise price of warrants \| $ / shares							$ 2.61						$ 2.61
Fair value of warrant \| $							$ 2,375,000						$ 2,375,000
Common Stock Price \| $ / shares							$ 2.25						$ 2.25
July 22nd Purchase Agreement
Class of Stock [Line Items]
Proceeds from issuance of common stock upon warrant exercises, net of issuance costs \| $	$ 9,026,000
April 2020 public offering
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock					1,525,000					1,525,000
Exercise price of warrants \| $ / shares					$ 3.25					$ 3.25
Fair value of warrant \| $										$ 2,606,000
Common Stock Price \| $ / shares										$ 2.50
Proceeds from Issuance of Warrants \| $					$ 6,500,000
Warrant term															5 years
Combined shares price \| $ / shares					$ 3.24
April 2020 public offering \| Common Shares
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock					2,000,000
Warrant
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock							3,465,495						3,465,495
Proceeds from Issuance of Warrants \| $													$ 8,303,000
Warrant \| Lisa Walsh
Class of Stock [Line Items]
Exercise price of warrants \| $ / shares		$ 3.00
Fair value of warrant \| $		$ 570,000
Common Stock Price \| $ / shares		$ 4.77
Warrant \| Common Shares
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock								1,000,000
Exercise price of warrants \| $ / shares								$ 4.46
Fair value of warrant \| $								$ 579,000
Common Stock Price \| $ / shares								$ 4.50
Warrants to purchase shares of common stock for cash								250,000
Warrant term								5 years
Net proceeds \| $								$ 2,300,000
Warrant \| January 2021
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock									1,221,675
Exercise price of warrants \| $ / shares									$ 4.20
Fair value of warrant \| $									$ 567,000
Common Stock Price \| $ / shares									$ 3.85
Proceeds from Warrant Exercises \| $									$ 2,900,000
Warrants to purchase shares of common stock for cash									305,419
Warrant term									5 years
March 2020 Warrant
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock											227,679
Exercise price of warrants \| $ / shares											$ 6.40
Fair value of warrant \| $											$ 625,000
Common Stock Price \| $ / shares											$ 5.40
March 2020 Maxim Warrant
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock											20,400
Prefunded common stock purchase warrants \| April 2020 public offering
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock										475,000
Exercise price of warrants \| $ / shares										$ 0.01
Fair value of warrant \| $										$ 475,000
Proceeds from Issuance of Warrants \| $										$ 4,750
Common stock purchase warrants
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock			236,369
Common stock purchase warrants \| April 2020 public offering
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock					475,000
April 2020 Maxim Warrant
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock							10,000			100,000			10,000	15,000
Exercise price of warrants \| $ / shares										$ 3.90
Fair value of warrant \| $										$ 106,000
Common Stock Price \| $ / shares							$ 15.80			$ 2.50			$ 15.80	$ 15.80
Combined shares price \| $ / shares													$ 0.20	$ 0.20
Issuance of common stock upon warrant exchanged													20,722	20,722
April 2020 Maxim Warrant \| April 2020 public offering
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock					100,000					291,000
Exercise price of warrants \| $ / shares					$ 3.90
Dividend Yield \| June 4th Purchase Agreement
Class of Stock [Line Items]
Measurement input							0.0						0.0
Dividend Yield \| June 9th Purchase Agreement
Class of Stock [Line Items]
Measurement input							0.0						0.0
Dividend Yield \| April 2020 public offering
Class of Stock [Line Items]
Measurement input										0.0
Dividend Yield \| Warrant \| Lisa Walsh
Class of Stock [Line Items]
Measurement input		0.0						0.0
Dividend Yield \| Warrant \| January 2021
Class of Stock [Line Items]
Measurement input									0.0
Dividend Yield \| March 2020 Warrant
Class of Stock [Line Items]
Measurement input											0.0
Dividend Yield \| April 2020 Maxim Warrant
Class of Stock [Line Items]
Measurement input										0
Volatility \| June 4th Purchase Agreement
Class of Stock [Line Items]
Measurement input							64.0						64.0
Volatility \| June 9th Purchase Agreement
Class of Stock [Line Items]
Measurement input							64.0						64.0
Volatility \| April 2020 public offering
Class of Stock [Line Items]
Measurement input										64.0
Volatility \| Warrant \| Lisa Walsh
Class of Stock [Line Items]
Measurement input		60.7						60.7
Volatility \| Warrant \| January 2021
Class of Stock [Line Items]
Measurement input									60.1
Volatility \| March 2020 Warrant
Class of Stock [Line Items]
Measurement input											61.0
Volatility \| April 2020 Maxim Warrant
Class of Stock [Line Items]
Measurement input										64
Risk-free rate of interest \| June 4th Purchase Agreement
Class of Stock [Line Items]
Measurement input							0.45						0.45
Risk-free rate of interest \| June 9th Purchase Agreement
Class of Stock [Line Items]
Measurement input							0.32						0.32
Risk-free rate of interest \| April 2020 public offering
Class of Stock [Line Items]
Measurement input										0.37
Risk-free rate of interest \| Warrant \| Lisa Walsh
Class of Stock [Line Items]
Measurement input		0.78						0.77
Risk-free rate of interest \| Warrant \| January 2021
Class of Stock [Line Items]
Measurement input									0.45
Risk-free rate of interest \| March 2020 Warrant
Class of Stock [Line Items]
Measurement input											0.38
Risk-free rate of interest \| April 2020 Maxim Warrant
Class of Stock [Line Items]
Measurement input										0.37
Term (Years) \| June 4th Purchase Agreement
Class of Stock [Line Items]
Measurement input							5.5						5.5
Term (Years) \| June 9th Purchase Agreement
Class of Stock [Line Items]
Measurement input							5.5						5.5
Term (Years) \| April 2020 public offering
Class of Stock [Line Items]
Measurement input										5
Term (Years) \| Warrant \| Lisa Walsh
Class of Stock [Line Items]
Measurement input		5.4						5.0
Term (Years) \| Warrant \| January 2021
Class of Stock [Line Items]
Measurement input									5.0
Term (Years) \| March 2020 Warrant
Class of Stock [Line Items]
Fair Value Expected Term											5 years
Term (Years) \| April 2020 Maxim Warrant
Class of Stock [Line Items]
Measurement input										5
Series A Preferred Stock
Class of Stock [Line Items]
Common Stock Price \| $ / shares						$ 80.00
Shares issued						250,000	0						0
Series A Preferred Stock \| Lisa Walsh
Class of Stock [Line Items]
Shares issued						250,000
Dividend rate						8.00%
Exchange of convertible preferred stock for common stock (in shares)													250,000
Issuance of common stock upon warrant exchanged													187,500