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Side-by-side financial comparison of ARK RESTAURANTS CORP (ARKR) and Energy Recovery, Inc. (ERII). Click either name above to swap in a different company.

Energy Recovery, Inc. is the larger business by last-quarter revenue ($66.9M vs $40.7M, roughly 1.6× ARK RESTAURANTS CORP). Energy Recovery, Inc. runs the higher net margin — 40.2% vs 2.2%, a 38.0% gap on every dollar of revenue. On growth, Energy Recovery, Inc. posted the faster year-over-year revenue change (-0.3% vs -9.4%). Energy Recovery, Inc. produced more free cash flow last quarter ($6.4M vs $-1.8M). Over the past eight quarters, Energy Recovery, Inc.'s revenue compounded faster (8.1% CAGR vs -1.8%).

ARK Restaurants Corp operates a diversified portfolio of dining establishments across the United States, spanning casual dining, fast-casual, and upscale fine dining segments. Its offerings include American comfort food, BBQ, seafood, and Italian cuisine, serving local community patrons and tourist visitors across dozens of locations in multiple states.

Energy Recovery Inc. is an American manufacturer of energy recovery devices for water and CO2 refrigeration industries.

ARKR vs ERII — Head-to-Head

Bigger by revenue
ERII
ERII
1.6× larger
ERII
$66.9M
$40.7M
ARKR
Growing faster (revenue YoY)
ERII
ERII
+9.1% gap
ERII
-0.3%
-9.4%
ARKR
Higher net margin
ERII
ERII
38.0% more per $
ERII
40.2%
2.2%
ARKR
More free cash flow
ERII
ERII
$8.2M more FCF
ERII
$6.4M
$-1.8M
ARKR
Faster 2-yr revenue CAGR
ERII
ERII
Annualised
ERII
8.1%
-1.8%
ARKR

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ARKR
ARKR
ERII
ERII
Revenue
$40.7M
$66.9M
Net Profit
$896.0K
$26.9M
Gross Margin
67.2%
Operating Margin
2.7%
46.8%
Net Margin
2.2%
40.2%
Revenue YoY
-9.4%
-0.3%
Net Profit YoY
-71.7%
14.7%
EPS (diluted)
$0.25
$0.49

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
ARKR
ARKR
ERII
ERII
Q4 25
$40.7M
$66.9M
Q3 25
$37.3M
$32.0M
Q2 25
$43.7M
$28.1M
Q1 25
$39.7M
Q4 24
$45.0M
$67.1M
Q3 24
$43.4M
$38.6M
Q2 24
$50.4M
$27.2M
Q1 24
$42.3M
$12.1M
Net Profit
ARKR
ARKR
ERII
ERII
Q4 25
$896.0K
$26.9M
Q3 25
$-1.9M
$3.9M
Q2 25
$-3.5M
$2.1M
Q1 25
$-9.3M
Q4 24
$3.2M
$23.5M
Q3 24
$-4.5M
$8.5M
Q2 24
$640.0K
$-642.0K
Q1 24
$-1.4M
$-8.3M
Gross Margin
ARKR
ARKR
ERII
ERII
Q4 25
67.2%
Q3 25
64.2%
Q2 25
64.0%
Q1 25
Q4 24
70.2%
Q3 24
65.1%
Q2 24
64.6%
Q1 24
59.0%
Operating Margin
ARKR
ARKR
ERII
ERII
Q4 25
2.7%
46.8%
Q3 25
-4.6%
11.4%
Q2 25
-7.8%
5.3%
Q1 25
-11.6%
Q4 24
12.6%
38.2%
Q3 24
-12.7%
18.3%
Q2 24
1.6%
-7.4%
Q1 24
-2.8%
-90.4%
Net Margin
ARKR
ARKR
ERII
ERII
Q4 25
2.2%
40.2%
Q3 25
-5.1%
12.1%
Q2 25
-7.9%
7.3%
Q1 25
-23.3%
Q4 24
7.0%
35.0%
Q3 24
-10.3%
22.0%
Q2 24
1.3%
-2.4%
Q1 24
-3.4%
-68.3%
EPS (diluted)
ARKR
ARKR
ERII
ERII
Q4 25
$0.25
$0.49
Q3 25
$-0.53
$0.07
Q2 25
$-0.96
$0.04
Q1 25
$-2.57
Q4 24
$0.88
$0.40
Q3 24
$-1.24
$0.15
Q2 24
$0.18
$-0.01
Q1 24
$-0.40
$-0.14

Balance Sheet & Financial Strength

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

Metric
ARKR
ARKR
ERII
ERII
Cash + ST InvestmentsLiquidity on hand
$9.1M
$75.2M
Total DebtLower is stronger
Stockholders' EquityBook value
$33.7M
$206.2M
Total Assets
$130.4M
$231.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARKR
ARKR
ERII
ERII
Q4 25
$9.1M
$75.2M
Q3 25
$11.3M
$70.4M
Q2 25
$12.3M
$79.5M
Q1 25
$11.1M
Q4 24
$13.1M
$78.0M
Q3 24
$10.3M
$118.6M
Q2 24
$11.5M
$101.0M
Q1 24
$10.4M
$117.4M
Stockholders' Equity
ARKR
ARKR
ERII
ERII
Q4 25
$33.7M
$206.2M
Q3 25
$32.7M
$180.8M
Q2 25
$34.7M
$185.2M
Q1 25
$38.1M
Q4 24
$47.3M
$210.0M
Q3 24
$44.1M
$233.9M
Q2 24
$48.9M
$218.5M
Q1 24
$49.7M
$216.0M
Total Assets
ARKR
ARKR
ERII
ERII
Q4 25
$130.4M
$231.5M
Q3 25
$133.5M
$209.6M
Q2 25
$136.3M
$212.3M
Q1 25
$141.9M
Q4 24
$154.6M
$242.8M
Q3 24
$156.0M
$262.7M
Q2 24
$166.5M
$249.0M
Q1 24
$169.6M
$244.3M

Cash Flow & Capital Efficiency

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

Metric
ARKR
ARKR
ERII
ERII
Operating Cash FlowLast quarter
$-550.0K
$7.1M
Free Cash FlowOCF − Capex
$-1.8M
$6.4M
FCF MarginFCF / Revenue
-4.4%
9.6%
Capex IntensityCapex / Revenue
3.1%
1.0%
Cash ConversionOCF / Net Profit
-0.61×
0.26×
TTM Free Cash FlowTrailing 4 quarters
$-1.3M
$15.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARKR
ARKR
ERII
ERII
Q4 25
$-550.0K
$7.1M
Q3 25
$633.0K
$-3.1M
Q2 25
$1.9M
$4.1M
Q1 25
$612.0K
Q4 24
$-1.3M
$9.0M
Q3 24
$728.0K
$-3.0M
Q2 24
$3.2M
$8.1M
Q1 24
$208.0K
$6.5M
Free Cash Flow
ARKR
ARKR
ERII
ERII
Q4 25
$-1.8M
$6.4M
Q3 25
$-989.0K
$-3.5M
Q2 25
$1.2M
$4.0M
Q1 25
$290.0K
Q4 24
$-2.0M
$8.9M
Q3 24
$-482.0K
$-3.2M
Q2 24
$2.5M
$7.9M
Q1 24
$-148.0K
$5.7M
FCF Margin
ARKR
ARKR
ERII
ERII
Q4 25
-4.4%
9.6%
Q3 25
-2.6%
-10.9%
Q2 25
2.7%
14.3%
Q1 25
0.7%
Q4 24
-4.4%
13.2%
Q3 24
-1.1%
-8.2%
Q2 24
5.0%
28.9%
Q1 24
-0.4%
46.9%
Capex Intensity
ARKR
ARKR
ERII
ERII
Q4 25
3.1%
1.0%
Q3 25
4.3%
1.1%
Q2 25
1.5%
0.5%
Q1 25
0.8%
Q4 24
1.4%
0.2%
Q3 24
2.8%
0.4%
Q2 24
1.2%
0.7%
Q1 24
0.8%
6.8%
Cash Conversion
ARKR
ARKR
ERII
ERII
Q4 25
-0.61×
0.26×
Q3 25
-0.81×
Q2 25
2.02×
Q1 25
Q4 24
-0.43×
0.38×
Q3 24
-0.35×
Q2 24
4.94×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

ARKR
ARKR

Segment breakdown not available.

ERII
ERII

Water Segment$38.6M58%
Other$11.0M16%
Original Equipment Manufacturer$10.6M16%
Aftermarket$6.6M10%

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