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 - Additional Information (Details)

Convertible Preferred Stock and Stockholders' Equity - Additional Information (Details)														1 Months Ended				12 Months Ended
	Dec. 31, 2021 $ / shares shares	Dec. 30, 2021 USD ($)	Sep. 13, 2021 USD ($) shares	Jul. 22, 2021 shares	Jun. 04, 2021 USD ($) $ / shares shares	Nov. 09, 2020 $ / shares shares	Oct. 20, 2020 shares	Jul. 27, 2020 USD ($) shares	May 18, 2020 shares	Apr. 09, 2020	Mar. 31, 2020	Feb. 28, 2020 USD ($) $ / shares shares	Apr. 18, 2019 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) $ / shares shares	Jan. 31, 2021 USD ($) $ / shares shares	Feb. 29, 2020 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) shares
Class of Stock [Line Items]
Reverse stock split										0.05								0.50
Shares issued	0													0				0	250,000
Warrants to purchase shares of Common Stock						45,534
Stock-based compensation \| $																		$ 76,000
Exercise price of warrants \| $ / shares						$ 2.55
Proceeds from Warrant Exercises \| $																		0	$ 789,000
Registered direct offering, net of issuance costs \| $																		$ 9,026,000
Issuance of common stock						236,375			60,250
Warrant
Class of Stock [Line Items]
Warrants to purchase shares of Common Stock	3,465,495													3,465,495				3,465,495
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 upon warrant exchanged																		3,465,495
Registered direct offering, net of issuance costs \| $																		$ 1,000
Aggregate shares sold																		2,500,000
Issuance of common stock																			5,931,062
Common Shares \| Warrant
Class of Stock [Line Items]
Share Price \| $ / shares															$ 4.50
Warrants to purchase shares of Common Stock															1,000,000
Exercise price of warrants \| $ / shares															$ 4.46
Warrant term															5 years
Net proceeds \| $															$ 2,300,000
February 2020 Private Placement
Class of Stock [Line Items]
Share Price \| $ / shares												$ 9.17
Warrants to purchase shares of Common Stock												4,553					45,534
Number of units issued												91,062
Number of shares per unit												1
Warrant to purchase share of common stock per unit												0.50
Cash fees paid \| $												$ 83,000
Exercise price of warrants \| $ / shares												$ 8.80					$ 9.80
Warrant term												5 years
Gross proceeds \| $												$ 835,000
Net proceeds \| $												$ 725,000
Beneficial ownership interest																	4.99%
Convertible Preferred Stock, Convertible, Issue of Shares, Threshold Percentage																	9.99%
Proceeds from Warrant Exercises \| $																	$ 103,000
Exercise price \| $ / shares																	$ 6.00
Dividend rate																	0.00%
Volatility rate																	59.00%
Risk free interest rate																	0.89%
Expected term																	5 years
July 22nd Purchase Agreement \| Securities Purchase Agreement
Class of Stock [Line Items]
Issuance of common stock				2,500,000
January 2021 \| Warrant
Class of Stock [Line Items]
Share Price \| $ / shares																$ 3.85
Warrants to purchase shares of Common Stock																1,221,675
Exercise price of warrants \| $ / shares																$ 4.20
Warrant term																5 years
Proceeds from Warrant Exercises \| $																$ 2,900,000
Threshold market capitalization of $75 million
Class of Stock [Line Items]
Market capitalization \| $			$ 75,000,000
Threshold market capitalization of $100 million
Class of Stock [Line Items]
Market capitalization \| $			100,000,000
Threshold market capitalization of $150 million
Class of Stock [Line Items]
Market capitalization \| $			$ 150,000,000
Restricted Stock
Class of Stock [Line Items]
Number of restricted shares granted																		676,900	102,669
Unrecognized Tax Benefits, Interest on Income Taxes Expense \| $																		$ 1,815,000
Vesting term																		2 years 2 months 12 days
Number of stock released																		30,864	58,096
LTSI
Class of Stock [Line Items]
Maximum shares authorized to issue, percentage	15.00%													15.00%				15.00%
Shares authorized for issuance	672,180													672,180				672,180
LTSI \| Restricted Stock
Class of Stock [Line Items]
Number of restricted shares granted								7,500										30,864	50,596
Aggregate intrinsic value \| $								$ 17,000										$ 97,000	$ 116,000
LTSI \| Restricted stock units
Class of Stock [Line Items]
Accelerated vesting								39,429
Stock based compensation charge in connection with acceleration of vesting \| $								$ 649,000
Bonus expense \| $								$ 57,000
September 2021 Inducement Grant
Class of Stock [Line Items]
Unrecognized Tax Benefits, Interest on Income Taxes Expense \| $																		$ 696,000
Vesting term																		2 years 8 months 12 days
Number of stock released			232,500
September 2021 Inducement Grant \| Vest monthly over a period of 36 months
Class of Stock [Line Items]
Vesting term			36 months
Number of stock released			77,500
Value of grant \| $			$ 772,000
September 2021 Inducement Grant \| Vest upon the achievement of certain company milestones
Class of Stock [Line Items]
Number of stock released			77,500
September 2021 Inducement Grant \| Restricted Stock
Class of Stock [Line Items]
Number of restricted shares granted			310,000
2020 Stock Incentive Plan
Class of Stock [Line Items]
Number of restricted shares granted																		209,012	0
Aggregate intrinsic value \| $																		$ 661,000
2020 Stock Incentive Plan \| Restricted Stock
Class of Stock [Line Items]
Shares authorized for issuance							650,000	650,000
Number of restricted shares granted																		20,500	637,824
Unrecognized Tax Benefits, Interest on Income Taxes Expense \| $																		$ 916,000
Vesting term																		1 year 8 months 12 days
Number of stock released																		209,012	0
Shares issued to to employees, directors and consultants							614,824	614,824
Minimum
Class of Stock [Line Items]
Reverse stock split											0.25
Maximum
Class of Stock [Line Items]
Reverse stock split											0.05
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
Lisa Walsh \| Warrant
Class of Stock [Line Items]
Share Price \| $ / shares					$ 4.77
Exercise price of warrants \| $ / shares					$ 3.00
Alexander Capital, LP.
Class of Stock [Line Items]
Proceeds from Warrant Exercises \| $																	$ 11,000
Exercise price \| $ / shares																	$ 6.00
Dividend rate																	0.00%
Volatility rate																	59.00%
Risk free interest rate																	0.89%
Expected term																	5 years
Maxim Group LLC \| Sales Agreement
Class of Stock [Line Items]
Registered direct offering, net of issuance costs \| $		$ 4,500,000
Aggregate shares sold	0
Lippert Heishorn Associates Inc
Class of Stock [Line Items]
Exercise price of warrants \| $ / shares	$ 1.52													$ 1.52				$ 1.52
Proceeds from Warrant Exercises \| $														$ 21,000
Exercise price \| $ / shares	1.49													$ 1.49				1.49
Dividend rate														0.00%
Volatility rate														67.00%
Risk free interest rate														1.19%
Expected term														5 years
Issuance of common stock														25,000
Design LLC
Class of Stock [Line Items]
Exercise price of warrants \| $ / shares	1.52													$ 1.52				1.52
Proceeds from Warrant Exercises \| $														$ 12,000
Exercise price \| $ / shares	$ 1.49													$ 1.49				$ 1.49
Dividend rate														0.00%
Volatility rate														67.00%
Risk free interest rate														1.19%
Expected term														5 years
Issuance of common stock														15,000
Mr. Oliva \| LTSI
Class of Stock [Line Items]
Accelerated vesting								7,500
Series A Preferred Stock
Class of Stock [Line Items]
Shares issued	0												250,000	0				0
Par value \| $ / shares													$ 0.0001
Stated value \| $ / shares													4.00
Share Price \| $ / shares													80.00
Floor price per share \| $ / shares													$ 30.00
Proceeds from Issuance of Convertible Preferred Stock \| $													$ 1,000,000
Fair value of embedded derivative liability \| $													216,000
Series A Preferred Stock \| Minimum
Class of Stock [Line Items]
Proceeds from Issuance of Convertible Preferred Stock \| $													500,000
Series A Preferred Stock \| Maximum
Class of Stock [Line Items]
Proceeds from Issuance of Convertible Preferred Stock \| $													$ 5,000,000					$ 1,250,000
Series A Preferred Stock \| Lisa Walsh
Class of Stock [Line Items]
Shares issued													250,000
Exchange of convertible preferred stock for common stock (in shares)																		250,000
Issuance of common stock upon warrant exchanged																		187,500
Deemed dividend \| $					$ 1,192,000