Cover - USD ($)	12 Months Ended
	Dec. 31, 2021	May 31, 2022	Jun. 30, 2021
Cover [Abstract]
Entity Registrant Name	UNICO AMERICAN CORPORATION
Entity Central Index Key	0000100716
Document Type	10-K/A
Amendment Flag	true
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-20
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	No
Document Period End Date	Dec. 31, 2021
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Entity Common Stock Shares Outstanding		5,304,863
Entity Public Float			$ 13,916,355
Document Annual Report	true
Document Transition Report	false
Entity File Number	000-03978
Entity Incorporation State Country Code	NV
Entity Tax Identification Number	95-2583928
Entity Address Address Line 1	5230 Las Virgenes Road
Entity Address City Or Town	Calabasas
Entity Address State Or Province	CA
Entity Address Postal Zip Code	91302
City Area Code	818
Icfr Auditor Attestation Flag	false
Auditor Location	Hartford, CT
Auditor Firm Id	688
Local Phone Number	591‑9800
Security 12b Title	Common Stock, No Par Value
Trading Symbol	UNAM
Security Exchange Name	NASDAQ
Entity Interactive Data Current	No
Auditor Name	Marcum LLP
Amendment Description	This Amendment No. 1 on Form 10-K/A (the “Amendment”) amends our Annual Report on Form 10-K for the fiscal year ended December 31, 2021, which was filed with the SEC on July 11, 2021 (the “Original Filing”).  We are filing this Amendment solely for the limited purpose of amending Part II, Item 8 , note 22 to the financial statements on page 92 of the Original Filing to include a tabular presentation of the average annual percentage payout of incurred claims by age, net of reinsurance, as of December 31, 2021 (the “Omitted Disclosure”), which was inadvertently omitted from the Original Filing.  For convenience, we are refiling the entire Annual Report on Form 10-K, as amended, including the Omitted Disclosure, and certifications by our principal executive officer and principal financial officer, which are being filed as Exhibits 31.1, 31.2 and 32.1.  Except as described above, no other information included in the Original Filing is amended or changed by the Amendment. This Amendment does not reflect events occurring after the date of the filing of the Original Filing or modify or update any of the other disclosures contained therein in any way.