Related Parties (Details)

v3.20.1

Related Parties (Details) - USD ($)													1 Months Ended									12 Months Ended
	Nov. 06, 2019	Nov. 03, 2019	Oct. 16, 2019	Oct. 08, 2019	Oct. 07, 2019	May 16, 2019	Apr. 18, 2019	Apr. 17, 2019	Jan. 04, 2019	Feb. 12, 2016	Apr. 04, 2015	Jan. 05, 2015	Aug. 31, 2019	Apr. 18, 2019	Jul. 25, 2018	Apr. 30, 2018	Feb. 28, 2018	Nov. 30, 2016	Jul. 31, 2016	Feb. 29, 2016	Sep. 18, 2015	Dec. 31, 2019	Dec. 31, 2018	Nov. 04, 2019	May 31, 2019	Jul. 31, 2018	Jul. 15, 2018	Jun. 30, 2018	Jun. 29, 2018	Jun. 15, 2018	Apr. 06, 2018	Nov. 30, 2017	May 17, 2017	Jan. 31, 2017
Class of Warrant or Right, Number of Securities Called by Warrants or Rights							255,102							255,102								3,222								208,350
Class of Warrant or Right, Exercise Price of Warrants or Rights																						$ 5.40												$ 5.40
Debt Instrument, Face Amount																																$ 6,500,000
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right															13,889																	722,222		39,216
Debt Conversion, Converted Instrument, Shares Issued															99,594
Debt Conversion, Converted Instrument, Amount																			$ 300,000			$ 0	$ 30,450,000
Deferred Compensation Arrangement with Individual, Shares Issued									400,000
Number of warrants exercised																						112,000
Proceeds from exercise of warrants					7,246
Series A Preferred Stock [Member]
Proceeds from Issuance of Convertible Preferred Stock							$ 1,000,000															920,000
Minimum [Member] | Series A Preferred Stock [Member]
Proceeds from Issuance of Convertible Preferred Stock							500,000
Maximum [Member] | Series A Preferred Stock [Member]
Proceeds from Issuance of Convertible Preferred Stock							$ 5,000,000															$ 500,000
Alexander Capital [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights																						$ 2.18
Debt Instrument, Maturity Date																						Apr. 18, 2024
Number of Warrants Issued																						40,816
Medalist Funds [Member]
Convertible Notes Payable, Current																								$ 47,223
Proceeds from exercise of warrants				327,000
Issuance of common stock, net of issuance costs (in shares)				414,364
Hansong Technology [Member]
Purchase of wireless audio speaker systems from related party													$ 360,000
Financial Service [Member] | Alexander Capital [Member]
Investment Income, Net																						$ 80,000
Revenue from Contract with Customer, Including Assessed Tax																							$ 321,000
Series G Notes [Member] | Medalist Funds [Member]
Convertible Notes Payable, Current																													$ 2,438,000
April 2015 Note [Member]
Debt Instrument, Face Amount											$ 450,000
Debt Instrument, Maturity Date											Jan. 31, 2017						Jun. 30, 2018
Debt Conversion, Converted Instrument, Shares Issued															155,373
February 2016 Note [Member]
Debt Instrument, Face Amount										$ 300,000
Debt Instrument, Maturity Date										Jan. 31, 2017							Jun. 30, 2018	Sep. 01, 2017
January 2015 Note [Member]
Debt Instrument, Face Amount												$ 500,000
Debt Instrument, Maturity Date												Jul. 05, 2015					Jun. 30, 2018			Sep. 01, 2017
Debt Conversion, Converted Instrument, Shares Issued															39,653
September 2015 Note [Member]
Debt Instrument, Face Amount																					$ 200,000
Debt Instrument, Maturity Date																	Jun. 30, 2018	Sep. 01, 2017			Jan. 31, 2017
Debt Conversion, Converted Instrument, Shares Issued															68,544
Hallo Note [Member]
Debt Conversion, Converted Instrument, Shares Issued															56,723
Series F Convertible Notes [Member]
Debt Conversion, Converted Instrument, Shares Issued															3,849,210
Series F Convertible Notes [Member] | Medalist Funds [Member]
Convertible Notes Payable, Current																						2,000,000
Warrant [Member] | Alexander Capital [Member]
Payments of Stock Issuance Costs																						51,374
Warrant [Member] | Medalist Funds [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																													180,570			222,222
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 0.79
Warrant [Member] | February 2016 Note [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																				33,334
Warrant [Member] | Series D Convertible Note [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights																							$ 5.40
Brett Moyer [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights																											$ 4.50
Other Expenses																$ 50,000
Brett Moyer [Member] | Series G Notes [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights															$ 3.00
Debt Instrument, Face Amount																$ 63,000
Debt Conversion, Converted Instrument, Shares Issued															157,881
Debt Conversion, Converted Instrument, Amount															$ 537,000
Notes Payable, Related Parties, Current																						$ 0	$ 0
Brett Moyer [Member] | Series D Convertible Note [Member]
Debt Instrument, Interest Rate, Increase (Decrease)																	10.00%
Debt Conversion Converted Instrument Percentage of Shares Held																						1.90%	1.50%
Debt Instrument, Maturity Date																	Jun. 30, 2018
Brett Moyer [Member] | Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																	9,058
Class of Warrant or Right, Exercise Price of Warrants or Rights																	$ 5.40
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right																												4,630
Number of warrants exercised					$ 9,058
Issuance of common stock, net of issuance costs (in shares)	1,294
Gary Williams [Member]
Debt Conversion Converted Instrument Percentage of Shares Held																						1.00%
Gary Williams [Member] | Warrant [Member]
Number of warrants exercised					$ 3,578
Proceeds from exercise of warrants					2,862
Issuance of common stock, net of issuance costs (in shares)		512
Michael Fazio [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights															$ 3.00							$ 2.00											$ 4.50
Convertible Notes Payable, Current																						$ 0	$ 0
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right															487,864																		2,614,381
Michael Fazio [Member] | Series E Convertible Notes [Member]
Debt Instrument, Face Amount																																	$ 5,000,000
Jonathan Gazdak [Member]
Debt Conversion Converted Instrument Percentage of Shares Held																						1.00%
Debt Conversion, Converted Instrument, Shares Issued															5,647
Debt Conversion, Converted Instrument, Amount															$ 21,000
Jonathan Gazdak [Member] | Series D Convertible Note [Member]
Debt Instrument, Interest Rate, Increase (Decrease)																	10.00%
Convertible Notes Payable, Current																						$ 0	0
Debt Instrument, Maturity Date																	Jun. 30, 2018
Jonathan Gazdak [Member] | Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																	1,569
Class of Warrant or Right, Exercise Price of Warrants or Rights																	$ 5.40
Number of warrants exercised					$ 3,138
Proceeds from exercise of warrants					2,510
Issuance of common stock, net of issuance costs (in shares)	449
Jonathan Gazdak [Member] | Warrant [Member] | Minimum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights																						$ 3.30
Jonathan Gazdak [Member] | Warrant [Member] | Maximum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights																						$ 5.40
Brian Herr [Member] | Medalist Funds [Member]
Convertible Notes Payable, Current																						$ 0	$ 0
Debt Conversion Converted Instrument Percentage of Shares Held																						8.30%	12.80%
Payments of Stock Issuance Costs				$ 46,294
Issuance of common stock, net of issuance costs (in shares)				57,868
Brian Herr [Member] | Series G Notes [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																										541,666
Class of Warrant or Right, Exercise Price of Warrants or Rights															$ 3.00											$ 4.50
Debt Conversion, Converted Instrument, Shares Issued															1,950,348
Debt Conversion, Converted Instrument, Amount															$ 3,950,000
Michael Howse [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																						275,000									65,000
Debt Conversion Converted Instrument Percentage of Shares Held																						0.00%
Michael Howse [Member] | Achievement of significant milestone [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																															110,000
Michael Howse [Member] | Share-based Compensation Award, Tranche Two [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																															165,000
Class of Warrant or Right, Exercise Price of Warrants or Rights																															$ 2.00
Helge Kristensen [Member]
Debt Conversion Converted Instrument Percentage of Shares Held																						1.00%
Debt Conversion, Converted Instrument, Shares Issued															27,923
Debt Conversion, Converted Instrument, Amount															$ 50,000
Notes Payable, Related Parties, Current																						$ 0	$ 0
Helge Kristensen [Member] | Warrant [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights																						$ 5.40
Helge Kristensen [Member] | Warrant [Member] | Hansong Technology [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																						942
Carl E Berg [Member]
Convertible Notes Payable, Current															$ 1,479,000
Debt Conversion Converted Instrument Percentage of Shares Held																						6.50%	10.40%
Debt Conversion, Converted Instrument, Shares Issued															464,687
Notes Payable, Related Parties, Current																						$ 0
Carl E Berg [Member] | Other Convertible Notes [Member]
Debt Instrument, Interest Rate, Increase (Decrease)																	10.00%
Carl E Berg [Member] | Series D Convertible Note [Member]
Debt Instrument, Maturity Date																	Jun. 30, 2018
Carl E Berg [Member] | Warrant [Member] | Share-based Compensation Award, Tranche One [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																															110,000
Carl E Berg [Member] | Warrant [Member] | Other Convertible Notes [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																	25,965
Class of Warrant or Right, Exercise Price of Warrants or Rights																	$ 5.40
Carl E Berg [Member] | Warrant [Member] | Series D Convertible Note [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																	39,216
Class of Warrant or Right, Exercise Price of Warrants or Rights																	$ 5.40
Lisa Walsh [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights																																$ 5.40
Lisa Walsh [Member] | Series D Convertible Note [Member]
Debt Instrument, Interest Rate, Increase (Decrease)																	10.00%
Debt Instrument, Maturity Date																	Jun. 30, 2018
Lisa Walsh [Member] | Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																	112,419
Class of Warrant or Right, Exercise Price of Warrants or Rights																	$ 5.40
Walsh [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															2,938,650											69,444				23,150
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 0.70												$ 3.00											$ 4.50				$ 4.50
Convertible Notes Payable, Current															$ 8,330,000								$ 0
Debt Conversion Converted Instrument Percentage of Shares Held																						22.80%	26.40%
Proceeds from exercise of warrants			700,000
Issuance of common stock, net of issuance costs (in shares)			1,000,000
Walsh [Member] | Series A Preferred Stock [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights							250,000							250,000
Proceeds from Issuance of Convertible Preferred Stock														$ 1,000,000
Walsh [Member] | Series G Notes [Member]
Debt Instrument, Face Amount																											$ 288,000
Walsh [Member] | Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights							255,102							255,102
Class of Warrant or Right, Exercise Price of Warrants or Rights							$ 1.98							$ 1.98
Number of warrants exercised					$ 519,827
Proceeds from exercise of warrants					416,000
Issuance of common stock, net of issuance costs (in shares)					74,261
Underwriting Agreement [Member] | Alexander Capital [Member]
Payments of Stock Issuance Costs																						$ 900,000
Underwriting Agreement [Member] | Alexander Capital [Member] | Non Accountable Expense Allowance [Member]
Payments of Stock Issuance Costs																						120,000
Underwriting Agreement [Member] | Alexander Capital [Member] | Reimbursements [Member]
Payments of Stock Issuance Costs																						$ 100,000
Underwriting Agreement [Member] | Jonathan Gazdak [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																						72,000
Class of Warrant or Right, Exercise Price of Warrants or Rights																						$ 6.25
Warrants and Rights Outstanding, Term																									180 days
Engagement Letter [Member] | Alexander Capital [Member]
Number of Warrants Issued																						588,391
Public Offering Underwriting Agreement [Member] | Alexander Capital [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 0.875
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right			75,000
Payments of Stock Issuance Costs			$ 131,250																			$ 406,554
Issuance of common stock, net of issuance costs (in shares)								4,075,726
Public Offering Underwriting Agreement [Member] | Alexander Capital [Member] | Maximum [Member]
Issuance of common stock, net of issuance costs (in shares)						2,500,000
Public Offering Underwriting Agreement [Member] | Alexander Capital [Member] | Non Accountable Expense Allowance [Member]
Payments of Stock Issuance Costs			17,500																			54,207
Public Offering Underwriting Agreement [Member] | Alexander Capital [Member] | Reimbursements [Member]
Payments of Stock Issuance Costs			$ 43,750																			$ 100,000
Public Offering Underwriting Agreement [Member] | Jonathan Gazdak [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																						122,272
Class of Warrant or Right, Exercise Price of Warrants or Rights																						$ 1.66