WiSA Technologies, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Convertible Notes Payable (Details)

Convertible Notes Payable (Details) - USD ($)				1 Months Ended										2 Months Ended	3 Months Ended		5 Months Ended		9 Months Ended			12 Months Ended	24 Months Ended
Convertible Notes Payable (Details) - USD ($)	Jul. 15, 2018	May 11, 2016	Feb. 12, 2016	Sep. 30, 2018	Jul. 25, 2018	Jun. 30, 2018	Jun. 29, 2018	Jun. 15, 2018	Feb. 28, 2018	Nov. 30, 2017	Nov. 30, 2016	Jul. 31, 2016	Sep. 18, 2015	May 25, 2018	Sep. 30, 2019	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Sep. 30, 2019	Sep. 30, 2018	Oct. 31, 2016	Dec. 31, 2017	Dec. 31, 2017	Apr. 18, 2019	Dec. 31, 2018	Aug. 31, 2018	Jan. 31, 2017	Dec. 31, 2016	Feb. 29, 2016
Debt Instrument, Face Amount										$ 6,500,000																	$ 300,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights								208,350																255,102
Debt Conversion, Converted Instrument, Shares Issued					99,594
Proceeds from Convertible Debt																			$ 0	$ 1,435,000
Repayments of Convertible Debt																			0	200,000
Interest Expense															$ 0	$ 14,171,000			0	33,502,000
General and Administrative Expense															$ 588,000	1,212,000			$ 1,860,000	2,860,000
Class of Warrant or Right, Exercise Price of Warrants or Rights																											$ 5.40
Debt Instrument, Debt Default, Amount						$ 26,400,000		$ 1,725,000
Investment Bankers [Member]
Number of Warrants Issued																			5,000
Lender [Member]
Number of Warrants Issued																			25,000
Mr Moyer [Member]
Reimbursable Expenses																							$ 69,000
Mr Jonathan Gadzak [Member]
Certain Expenses to be converted																							12,000
Series C Convertible Notes [Member]
Debt Instrument, Maturity Date									Aug. 28, 2018
Debt Instrument Convertible Conversion Price Description									The conversion price in effect upon an initial public offering was the lesser of $9.00 or the price per common share in the pre-money valuation immediately prior to the initial public offering multiplied by 80%. The conversion price at any other conversion event was $9.00.
Amortization of Debt Discount (Premium)																0				0
Debt Conversion, Converted Instrument, Shares Issued					7,353				327
Proceeds from Convertible Debt																					$ 2,880,000
Debt Instrument, Unamortized Discount, Current									$ 209,000
Extinguishment of Debt, Amount																							2,855,000
Interest Payable																						$ 172,000	172,000					$ 25,000
Interest Expense																0				0
Promissory Notes [Member]
Extinguishment of Debt, Amount																							236,000
Interest Payable																						19,000	19,000
Series D Convertible Notes [Member]
Debt Instrument, Maturity Date									Jun. 30, 2018
Debt Instrument Convertible Conversion Price Description				The conversion price in effect upon the initial public offering was the lesser of $4.50 or the highest price per common share sold in the initial public offering multiplied by 75%. The conversion price at any other conversion event was $4.50.
Interest Expense, Debt																946,000				4,791,000
Amortization of Debt Discount (Premium)																393,000				3,268,000
Debt Conversion, Converted Instrument, Shares Issued					3,783,334
Debt Instrument, Convertible, Conversion Price																									$ 4.50
Debt Instrument, Unamortized Discount, Current																						386,000	386,000
Debt Instrument, Interest Rate, Increase (Decrease)									10.00%
Series D Convertible Notes [Member] \| Investor [Member]
Proceeds from Convertible Debt																							$ 4,717,000
Series E Convertible Notes [Member]
Debt Instrument Convertible Conversion Price Description													The conversion price at any other conversion event was the lessor of $4.50 or the price per share issued by the Company in connection with any sale involving substantially all the assets of the Company
Class of Warrant or Right, Number of Securities Called by Warrants or Rights					487,864
Amortization of Debt Discount (Premium)																$ 0				$ 70,000
Debt Instrument, Convertible, Conversion Price																									$ 4.50
Proceeds from Convertible Debt																		$ 5,000,000
Debt Instrument, Unamortized Discount, Current																									$ 275,000
Repayments of Convertible Debt										5,882,000
Default Interest And Penalties										1,098,000
Reimbursement Of Legal Fees										179,000
Reimbursement Of Consulting Travel And Lodging Fees										102,000
Repayments of Debt										$ 7,261,000
Interest Expense																						1,980,000
General and Administrative Expense																						281,000
Legal Fees																						179,000
Consulting Expenses																						$ 102,000
Warrants Issuable In Connection With Default Notice										487,865
Series F Convertible Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage				15.00%												15.00%				15.00%
Debt Instrument Convertible Conversion Price Description						The conversion price in effect upon on an initial public offering was the lesser of $4.50 or the highest price per common share sold in the initial public offering multiplied by 60%.
Interest Expense, Debt																$ 109,000				$ 865,000
Amortization of Debt Discount (Premium)																$ 1,327,000				$ 11,996,000
Debt Conversion, Converted Instrument, Shares Issued					3,849,210
Debt Instrument, Convertible, Conversion Price				$ 4.50												$ 4.50	$ 4.50			$ 4.50
Proceeds from Convertible Debt														$ 225,000			$ 10,345,000
Debt Instrument, Unamortized Discount, Current																	$ 135,000
Convertible Notes Payable [Member]
Debt Conversion, Converted Instrument, Shares Issued					9,527,144
Series G Convertible Notes [Member]
Debt Instrument, Face Amount							$ 2,813,000
Debt Instrument, Maturity Date								Jul. 15, 2018
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	625,000
Amortization of Debt Discount (Premium)																$ 9,622,000				$ 9,819,000
Debt Conversion, Converted Instrument, Shares Issued					1,406,250
Proceeds from Convertible Debt							$ 2,200,000
Interest Expense																113,000				563,000
Cancellation of Reimbursement Payable																				50,000
Convertible Notes Payable	$ 2,813,000
Debt Instrument Original Issue Discount								15.00%
Increase in Debt Instrument Original Issue Discount								20.00%
Debt Conversion, Description	(i) extend the maturity date of such notes from July 15, 2018 to July 25, 2018 and (ii) agreed to make the Series G Notes automatically convertible in connection with an initial public offering at a conversion price of the lesser of $4.50 or 60% of the highest price of the common stock sold in an initial public offering.
Warrant [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights																									$ 5.40	$ 4.00
Warrant [Member] \| Investment Bankers [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights					$ 6.25
Warrant [Member] \| Series C Convertible Notes [Member] \| Investment Bankers [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															26,354				26,354
Warrant [Member] \| Series C Convertible Notes [Member] \| Investor [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															188,236				188,236
Warrant [Member] \| Series D Convertible Notes [Member]
Class of Warrant or Right, Outstanding															2,035,434				2,035,434
Warrant [Member] \| Series D Convertible Notes [Member] \| Investment Bankers [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															380,449				380,449
Warrant [Member] \| Series D Convertible Notes [Member] \| Investor [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															1,017,692				1,017,692
Warrant [Member] \| Series E Convertible Notes [Member]
Class of Warrant or Right, Outstanding										3,102,245
Warrant [Member] \| Series E Convertible Notes [Member] \| Investment Bankers [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															114,380				114,380
Warrant [Member] \| Series E Convertible Notes [Member] \| Investor [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															1,307,190				1,307,190
Warrant [Member] \| Series F Convertible Notes [Member] \| Investment Bankers [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															233,111				233,111
Warrant [Member] \| Series F Convertible Notes [Member] \| Lender [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															1,174,447				1,174,447
Warrant [Member] \| Series G Convertible Notes [Member] \| Investment Bankers [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															58,334				58,334
Warrant [Member] \| Series G Convertible Notes [Member] \| Lender [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															833,350				833,350
February 2016 Note [Member]
Debt Instrument, Face Amount			$ 300,000
Debt Instrument, Interest Rate, Stated Percentage			10.00%
Debt Instrument, Maturity Date			Jan. 31, 2017						Jun. 30, 2018		Sep. 01, 2017
Debt Instrument Convertible Conversion Price Description											The conversion price was the lesser of $4.50 or the highest price per common share sold in the IPO or paid by a buyer upon a change in control multiplied by 75%.
Interest Expense, Debt																$ 2,000				17,000
Amortization of Debt Discount (Premium)																				$ 0
February 2016 Note [Member] \| Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																													33,334
May 2016 Note [Member]
Proceeds from Collection of Advance from Significant Shareholder		$ 300,000
Minimum Investments to be Received		$ 500,000
Proceeds from Collection of Additional Investments from Significant Shareholder												$ 201,000
Debt Conversion, Original Debt, Amount												$ 201,000
Debt Instrument, Convertible, Conversion Price												$ 4.50
May 2016 Note [Member] \| Preferred Stock [Member]
Debt Conversion, Converted Instrument, Shares Issued												111,307