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Side-by-side financial comparison of FONAR CORP (FONR) and Rhinebeck Bancorp, Inc. (RBKB). Click either name above to swap in a different company.

FONAR CORP is the larger business by last-quarter revenue ($25.5M vs $13.5M, roughly 1.9× Rhinebeck Bancorp, Inc.). Rhinebeck Bancorp, Inc. runs the higher net margin — 17.3% vs 8.0%, a 9.2% gap on every dollar of revenue. On growth, Rhinebeck Bancorp, Inc. posted the faster year-over-year revenue change (1701.1% vs 2.4%). Rhinebeck Bancorp, Inc. produced more free cash flow last quarter ($10.9M vs $-227.0K). Over the past eight quarters, Rhinebeck Bancorp, Inc.'s revenue compounded faster (14.0% CAGR vs -0.3%).

FONAR Corp is a specialized medical technology firm that designs, manufactures, and distributes innovative MRI systems including upright and open models. It primarily serves U.S. hospitals, diagnostic imaging centers, and healthcare providers, delivering high-precision scanning solutions for clinical diagnostic use.

Rhinebeck Bancorp, Inc. is a US regional bank holding company based in New York. It operates Rhinebeck Bank, offering retail and commercial banking services including deposit accounts, loans, mortgages and wealth management, mainly serving consumers and small-to-medium businesses across New York's Hudson Valley region.

FONR vs RBKB — Head-to-Head

Bigger by revenue
FONR
FONR
1.9× larger
FONR
$25.5M
$13.5M
RBKB
Growing faster (revenue YoY)
RBKB
RBKB
+1698.7% gap
RBKB
1701.1%
2.4%
FONR
Higher net margin
RBKB
RBKB
9.2% more per $
RBKB
17.3%
8.0%
FONR
More free cash flow
RBKB
RBKB
$11.1M more FCF
RBKB
$10.9M
$-227.0K
FONR
Faster 2-yr revenue CAGR
RBKB
RBKB
Annualised
RBKB
14.0%
-0.3%
FONR

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
FONR
FONR
RBKB
RBKB
Revenue
$25.5M
$13.5M
Net Profit
$2.1M
$2.3M
Gross Margin
Operating Margin
13.5%
21.7%
Net Margin
8.0%
17.3%
Revenue YoY
2.4%
1701.1%
Net Profit YoY
4.7%
188.0%
EPS (diluted)
$0.21

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
FONR
FONR
RBKB
RBKB
Q4 25
$25.5M
$13.5M
Q3 25
$26.0M
$14.0M
Q2 25
$27.3M
$13.1M
Q1 25
$27.2M
$12.8M
Q4 24
$24.9M
$750.0K
Q3 24
$25.0M
$773.0K
Q2 24
$25.9M
$10.7M
Q1 24
$25.7M
$10.4M
Net Profit
FONR
FONR
RBKB
RBKB
Q4 25
$2.1M
$2.3M
Q3 25
$2.3M
$2.7M
Q2 25
$729.3K
$2.7M
Q1 25
$2.5M
$2.3M
Q4 24
$2.0M
$-2.7M
Q3 24
$3.1M
$-8.1M
Q2 24
$830.4K
$975.0K
Q1 24
$1.9M
$1.1M
Operating Margin
FONR
FONR
RBKB
RBKB
Q4 25
13.5%
21.7%
Q3 25
14.1%
23.9%
Q2 25
5.3%
26.6%
Q1 25
15.2%
22.9%
Q4 24
11.9%
-444.9%
Q3 24
21.0%
-1332.3%
Q2 24
7.4%
11.8%
Q1 24
16.8%
13.9%
Net Margin
FONR
FONR
RBKB
RBKB
Q4 25
8.0%
17.3%
Q3 25
8.7%
19.3%
Q2 25
2.7%
20.8%
Q1 25
9.2%
17.9%
Q4 24
7.9%
-353.9%
Q3 24
12.6%
-1042.9%
Q2 24
3.2%
9.2%
Q1 24
7.3%
10.8%
EPS (diluted)
FONR
FONR
RBKB
RBKB
Q4 25
$0.21
Q3 25
$0.25
Q2 25
$0.25
Q1 25
$0.21
Q4 24
$-0.24
Q3 24
$-0.75
Q2 24
$0.09
Q1 24
$0.10

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
FONR
FONR
RBKB
RBKB
Cash + ST InvestmentsLiquidity on hand
$121.0K
Total DebtLower is stronger
Stockholders' EquityBook value
$176.9M
$136.9M
Total Assets
$217.2M
$1.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FONR
FONR
RBKB
RBKB
Q4 25
$121.0K
Q3 25
$122.0K
Q2 25
$56.5M
Q1 25
$123.0K
Q4 24
$121.0K
Q3 24
$136.0K
Q2 24
$56.5M
Q1 24
$134.0K
Total Debt
FONR
FONR
RBKB
RBKB
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
$66.9K
Q1 24
Stockholders' Equity
FONR
FONR
RBKB
RBKB
Q4 25
$176.9M
$136.9M
Q3 25
$174.9M
$133.0M
Q2 25
$172.6M
$129.0M
Q1 25
$171.9M
$126.0M
Q4 24
$169.8M
$121.8M
Q3 24
$168.7M
$122.7M
Q2 24
$166.0M
$116.2M
Q1 24
$165.8M
$114.3M
Total Assets
FONR
FONR
RBKB
RBKB
Q4 25
$217.2M
$1.3B
Q3 25
$218.4M
$1.3B
Q2 25
$216.9M
$1.3B
Q1 25
$214.9M
$1.3B
Q4 24
$208.0M
$1.3B
Q3 24
$212.3M
$1.3B
Q2 24
$214.2M
$1.3B
Q1 24
$209.6M
$1.3B
Debt / Equity
FONR
FONR
RBKB
RBKB
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
0.00×
Q1 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
FONR
FONR
RBKB
RBKB
Operating Cash FlowLast quarter
$171.0K
$11.7M
Free Cash FlowOCF − Capex
$-227.0K
$10.9M
FCF MarginFCF / Revenue
-0.9%
80.6%
Capex IntensityCapex / Revenue
1.6%
6.3%
Cash ConversionOCF / Net Profit
0.08×
5.03×
TTM Free Cash FlowTrailing 4 quarters
$5.7M
$19.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FONR
FONR
RBKB
RBKB
Q4 25
$171.0K
$11.7M
Q3 25
$1.7M
$2.2M
Q2 25
$4.2M
$2.4M
Q1 25
$3.1M
$4.3M
Q4 24
$2.2M
$8.5M
Q3 24
$1.7M
$-3.6M
Q2 24
$4.6M
$12.0M
Q1 24
$2.8M
$-3.5M
Free Cash Flow
FONR
FONR
RBKB
RBKB
Q4 25
$-227.0K
$10.9M
Q3 25
$-177.0K
$2.0M
Q2 25
$3.6M
$2.2M
Q1 25
$2.6M
$4.2M
Q4 24
$1.5M
$7.7M
Q3 24
$-148.0K
$-3.6M
Q2 24
$4.2M
$11.8M
Q1 24
$2.6M
$-3.7M
FCF Margin
FONR
FONR
RBKB
RBKB
Q4 25
-0.9%
80.6%
Q3 25
-0.7%
14.5%
Q2 25
13.1%
17.2%
Q1 25
9.4%
32.8%
Q4 24
6.0%
1023.9%
Q3 24
-0.6%
-469.0%
Q2 24
16.1%
111.1%
Q1 24
10.2%
-36.0%
Capex Intensity
FONR
FONR
RBKB
RBKB
Q4 25
1.6%
6.3%
Q3 25
7.2%
1.4%
Q2 25
2.4%
1.4%
Q1 25
2.2%
0.9%
Q4 24
3.0%
105.5%
Q3 24
7.2%
6.3%
Q2 24
1.6%
1.2%
Q1 24
0.7%
2.3%
Cash Conversion
FONR
FONR
RBKB
RBKB
Q4 25
0.08×
5.03×
Q3 25
0.75×
0.83×
Q2 25
5.79×
0.89×
Q1 25
1.26×
1.89×
Q4 24
1.14×
Q3 24
0.53×
Q2 24
5.54×
12.27×
Q1 24
1.50×
-3.12×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

FONR
FONR

Managementof Diagnostic Imaging Centers$23.2M91%
Manufacturingand Servicingof Medical Equipment$2.4M9%

RBKB
RBKB

Segment breakdown not available.

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