Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities:
Net Income (Loss) Attributable to Parent, Total	$ 5,094,000	$ (3,819,000)	$ (2,817,000)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Amortization and accretion of investment premiums and discounts, net	267,000	269,000	7,000
Amortization and accretion of purchase loan premiums and discounts, net	2,087,000	816,000	997,000
Amortization of debt issuance costs	111,000	112,000	112,000
Amortization of core deposit intangible	47,000	74,000	75,000
Amortization of servicing assets of sold SBA loans	67,000	22,000	16,000
Impairment of intangible assets	0	206,000	0
Purchase price adjustment expense related to acquisition activity	0	556,000	0
(Credit) provision for loan losses	(500,000)	2,170,000	4,971,000
Depreciation and amortization	1,521,000	1,505,000	1,600,000
Gain on sales of available-for-sale securities	(76,000)	0	0
Gain on sale of premises and equipment	(550,000)	0	0
Share-based compensation	150,000	159,000	214,000
Increase in deferred income taxes, net	(261,000)	(323,000)	(1,136,000)
Originations of SBA loans held for sale	(16,574,000)	(2,049,000)	(26,947,000)
Proceeds from sale of SBA loans held for sale	16,267,000	12,160,000	12,556,000
Gains on sale of SBA loans held for sale, net	(1,886,000)	(566,000)	(891,000)
Net (gain) loss on sale and write-down of other real estate owned	(2,000)	69,000	94,000
Changes in assets and liabilities:
Decrease (increase) in accrued interest and dividends receivable	798,000	(3,017,000)	163,000
Increase in other assets	(2,124,000)	(331,000)	(1,180,000)
Increase (decrease) in accrued expenses and other liabilities	3,160,000	(1,732,000)	251,000
Net cash provided by (used in) operating activities	7,596,000	6,281,000	(11,915,000)
Cash Flows from Investing Activities:
Proceeds from maturity or sales on available-for-sale securities	77,690,000	0	6,500,000
Principal repayments on available-for-sale securities	11,667,000	9,879,000	3,893,000
Purchases of available-for-sale securities	(136,135,000)	(11,248,000)	(18,072,000)
Proceeds from maturity of other investments	0	0	513,000
(Purchases) redemptions of Federal Reserve Bank stock	(60,000)	114,000	(31,000)
Redemptions (purchases) of Federal Home Loan Bank stock	319,000	(26,000)	451,000
Decrease in originated loans receivable, net	77,710,000	116,635,000	18,728,000
Purchases of loans receivable	(89,338,000)	(32,785,000)	(54,604,000)
Purchases of premises and equipment	(430,000)	(70,000)	(552,000)
Proceeds from sale of premises and equipment	1,464,000	0	0
Proceeds from sale of other real estate owned	1,908,000	425,000	897,000
Refund of escrow deposit related to acquisition activity	0	0	500,000
Net cash (used in) provided by investing activities	(55,205,000)	82,924,000	(41,777,000)
Cash Flows from Financing Activities:
Increase (decrease) in deposits, net	62,906,000	(133,877,000)	26,254,000
Purchases of deposits	0	49,998,000	0
Repayments of FHLB borrowings	0	(10,000,000)	0
Principal repayments of note payable	(203,000)	(199,000)	(195,000)
(Increase) decrease in advances from borrowers for taxes and insurance	(2,685,000)	105,000	755,000
Dividends paid on common stock	0	0	(155,000)
Net cash provided by (used in) financing activities	60,018,000	(93,973,000)	26,659,000
Net increase (decrease) in cash and cash equivalents	12,409,000	(4,768,000)	(27,033,000)
Cash and cash equivalents at beginning of period	34,636,000	39,404,000	66,437,000
Cash and cash equivalents at end of period	47,045,000	34,636,000	39,404,000
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	7,210,000	15,037,000	17,740,000
Cash paid (refund) for income taxes, net	140,000	(659,000)	22,000
Non-cash transactions:
Increase in premises and equipment	10,000	290,000	181,000
Reclass of premises and equipment to implementation cost	52,000	0	0
Increase in accrued expense and other liabilities	(62,000)	(290,000)	(181,000)
Purchases of available-for-sale securities	0	0	578,000
Increase in accrued expense and other liabilities	0	0	(578,000)
Transfers of loans receivable to other real estate owned	0	0	446,000
Transfers of loans receivable to loans held for sale	0	5,022,000	0
Operating lease right-of-use assets	373,000	40,000	3,160,000
Operating lease liabilities	(373,000)	(40,000)	(3,364,000)
Accrued rent payable - adoption ASC 842	0	22,000	93,000
Capitalized servicing assets	335,000	137,000	180,000
Decrease (increase) in interest rate swaps liabilities	449,000	(493,000)	0
Deferred cost related to capital raise	825,000	0	0
Accrued expense related to capital raise	825,000	0	0
Business Combination Non-Cash Disclosures:
Contingent liability assumed in business combination	0	0	621,000
Decrease in escrow deposit related to acquisition activity	0	(657,000)	0
Decrease in liabilities related to acquisition activity	0	15,000	0
Decrease in contingent consideration related to acquisition activity	0	86,000	0
Interest Rate Swap [Member]
Non-cash transactions:
(Decrease) increase in interest rate swaps assets	(449,000)	493,000	0
SBA Loans [Member]
Non-cash transactions:
Transfers of SBA loans held for sale to loans receivable	$ 281,000	$ 9,542,000	$ 0