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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)		3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 29, 2014	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Jun. 30, 2022	Mar. 31, 2022	Jan. 01, 2022	Apr. 27, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares)				841,209	636,635
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)		4,905,350	5,561,349	4,905,350	5,561,349
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value		$ 44,000	$ 398,000	$ 44,000	$ 398,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)		4,217,544	3,807,260	4,217,544	3,807,260
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value		$ 26,000	$ 278,000	$ 26,000	$ 278,000
Options exercised, shares (in shares)		31,000	28,000	259,008	54,375
Proceeds from Stock Options Exercised				$ 719,000	$ 140,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period (in shares)				168,417	283,701
Share-based Compensation Arrangement by Share-based Payment Award, Options, Options Forfeited, Weighted Average Grant Date Fair Value, Amount				$ 334,000	$ 578,051
Retained Earnings (Accumulated Deficit), Total		$ 19,601,000		$ 19,601,000		$ 13,591,000	$ 18,692,000	$ 15,343,000
Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Retained Earnings (Accumulated Deficit), Total									$ (3,600,000)
The 2021 Republic First Bancorp, Inc. Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)		1,500,000		1,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)						10 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)										7,500,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares)				41,400
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value				$ 149,000
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount		$ 367,765		367,765
The 2021 Republic First Bancorp, Inc. Equity Incentive Plan [Member] \| Stock Unit [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		142,406	$ 0	$ 142,406	0
The 2021 Republic First Bancorp, Inc. Equity Incentive Plan [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)						1 year
The 2021 Republic First Bancorp, Inc. Equity Incentive Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)						4 years
The 2014 Republic First Bancorp, Inc. Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)						6,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)	2,600,000
Minimum Percentage of Outstanding Shares as Annual Adjustment	10.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares)				714,167
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value				$ 3,700,000
The 2014 Republic First Bancorp, Inc. Equity Incentive Plan [Member] \| Stock Unit [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 3,464,152	$ 1,354,762	$ 3,464,152	$ 1,354,762