CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2021	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Operating revenues:
Total operating revenues	$ 22,931	$ 22,464	$ 24,276	$ 46,740	$ 69,671	$ 94,987	$ 66,437
Operating expenses:
Technology, communication, and processing	4,893	8,627	8,355	16,982	21,875	28,973	27,404
Salaries and employee benefits	9,137	9,559	8,557	18,116	27,253	38,036	26,076
Professional services	3,496	2,126	1,737	3,863	7,359	10,395	9,304
Provision for operating losses	1,067	1,401	1,329	2,730	3,797	5,419	5,170
Occupancy	282	284	352	636	918	1,197	1,428
Customer related supplies	1,017	186	475	661	1,678	2,214	3,236
Advertising and promotion	176	125	191	316	492	654	941
Merger and acquisition related expenses	0	0	0	0	0	65	739
Other expense	614	466	457	923	1,537	2,368	2,935
Total operating expenses	20,682	22,774	21,453	44,227	64,909	89,321	77,233
Income (loss) from operations	2,249	(310)	2,823	2,513	4,762	5,666	(10,796)
Non-operating income and expense:
Gain on fair value of private warrant liability	6,042	(3,056)	15,003	11,947	17,989	17,225	0
Interest expense	0	(42)	(54)	(96)	(96)	(96)	(1,395)
Income (loss) before income tax expense	8,291	(3,408)	17,772	14,364	22,655	22,795	(12,191)
Income tax expense	1,167	1,382	1,713	3,095	4,262	5,752	23
Net income (loss)	$ 7,124	$ (4,790)	$ 16,059	$ 11,269	$ 18,393	$ 17,043	$ (12,214)
Weighted average number of shares outstanding - basic (in shares)	11,900	11,900	11,698	11,800	11,834	11,851	6,123
Weighted average number of shares outstanding - diluted (in shares)	11,904	11,900	15,325	13,791	12,359	11,939	6,123
Net Income (loss) per share - basic (in dollars per share)	$ 600	$ (400)	$ 1,370	$ 960	$ 1,550	$ 1.44	$ (1.99)
Net Income (loss) per share - diluted (in dollars per share)	$ 0.60	$ (0.40)	$ 0.07	$ (0.05)	$ 30.00	$ 1.43	$ (1.99)
Interchange and card revenue
Operating revenues:
Total operating revenues	$ 6,529	$ 6,757	$ 8,244	$ 15,001	$ 21,530	$ 28,078	$ 25,864
Servicing fees from Partner Bank
Operating revenues:
Total operating revenues	11,823	10,579	9,372	19,951	31,774	45,105	22,465
Account fees
Operating revenues:
Total operating revenues	2,628	2,641	2,686	5,327	7,955	10,668	11,308
University fees
Operating revenues:
Total operating revenues	1,474	1,331	1,324	2,655	4,129	5,693	5,320
Other revenue
Operating revenues:
Total operating revenues	$ 477	$ 1,156	$ 2,650	$ 3,806	$ 4,283	$ 5,443	$ 1,480