Focus Universal Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders??? Equity (Details Narrative)

Stockholders’ Equity (Details Narrative) - USD ($)													3 Months Ended		9 Months Ended		12 Months Ended
Stockholders’ Equity (Details Narrative) - USD ($)	Jul. 14, 2023	Apr. 03, 2023	Mar. 23, 2023	Feb. 21, 2023	Feb. 13, 2023	Jan. 17, 2023	Aug. 22, 2022	Aug. 17, 2022	May 02, 2022	Apr. 04, 2022	Jan. 04, 2021	Aug. 06, 2019	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Common stock, shares authorized													75,000,000		75,000,000		75,000,000
Common stock, par value													$ 0.001		$ 0.001		$ 0.001
Issuance of common stock shares															75,434
Stock based compensation - shares, shares													$ 14,700	$ (21,020)	$ 183,004	$ 663,900
Issuance of common stock, shares																403,761
Stock dividend		21,592,164	21,592,164
Common stock issued for services, value																$ 8,000
Number of stock option exercised, value
Common stock, shares issued													64,771,817		64,771,817		65,296,383
Common stock, shares outstanding													64,771,817		64,771,817		65,296,383
Number of shares purchased, value														2,000,000	$ 420,686	2,000,000
Treasury stock, shares													1,183,040		1,183,040		400,000
Equity Option [Member]
Class of Stock [Line Items]
Number of stock option exercised, shares															78,812
Stock compensation expense															$ 400,208	652,501
Options granted															615,063
Options granted, shares													$ 3.96		$ 3.96		$ 5.93
Options vested															497,092		458,424
Options exercisable													497,092		497,092		458,424
Options unvested													39,158		39,158
Options outstanding													536,249		536,249		615,061
Treasury Stock, Common [Member]
Class of Stock [Line Items]
Stock based compensation - shares, shares
Common stock issued for services, value
Number of stock option exercised, value
Number of shares purchased, value														$ 2,000,000	$ 420,686	2,000,000
Boustead Securities [Member] \| Cashless Warrants Exercised [Member]
Class of Stock [Line Items]
Issuance of common stock, shares										181,723
Issuance of common stock, value										$ 1,776,044
Consultants [Member]
Class of Stock [Line Items]
Common stock issued for services, shares									48,941
Common stock issued for services, value									$ 154,709
Three Engineering Employees [Member]
Class of Stock [Line Items]
Stock based compensation - shares, shares															9,931
Stock Issued During Period, Value, Restricted Stock Award, Gross															$ 50,000
Stock compensation expense															16,250
Eight Employees [Member] \| Restricted Stock [Member]
Class of Stock [Line Items]
Stock compensation expense															136,904
Restricted stock granted, shares					51,000
V P Of The Company [Member] \| Share Bonus [Member]
Class of Stock [Line Items]
Stock compensation expense															$ 14,925
Shares vested during period															7,500
All Employees [Member]
Class of Stock [Line Items]
Stock compensation expense															$ 183,004	$ 671,901
Round Up [Member]
Class of Stock [Line Items]
Stock dividend		2,327
Treasury Stock, Common [Member]
Class of Stock [Line Items]
Treasury stock, shares													1,183,040		1,183,040		400,000
Prior Board [Member]
Class of Stock [Line Items]
Issuance of common stock, shares				10,857
Number of shares issued				$ 41,401
Two Board [Member]
Class of Stock [Line Items]
Issuance of common stock, shares								82,347
Number of stock option exercised, shares								107,500
Number of stock option exercised, value								$ 652,501
Each Board Member [Member] \| Equity Option [Member]
Class of Stock [Line Items]
Options granted											22,500	45,000					22,500	22,500
Options granted, shares											$ 2.00	$ 3.80					$ 4.27	$ 5.91
Stock Repurchase Agreement [Member]
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares						400,000
Stock Repurchased and Retired During Period, Value						$ 2,000,000
Restricted Stock Award Agreements [Member] \| Employee [Member]
Class of Stock [Line Items]
Stock based compensation - shares, shares					62,250		90,750
Stock based compensation - shares, shares					$ 184,979		$ 642,789
Stock Purchase Agreement [Member] \| Treasury Stock, Common [Member]
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares						400,000
Number of shares purchased, shares	1,300,000
Number of shares purchased, value	$ 1,965,000
[custom:PaymentOnRemainingShares]	$ 965,000
[custom:AdditionalSharesReceived]	900,000
Stock Purchase Agreement [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Number of shares purchased, shares															233,040
Number of shares purchased, value															$ 420,686