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Side-by-side financial comparison of Amphastar Pharmaceuticals, Inc. (AMPH) and IDT CORP (IDT). Click either name above to swap in a different company.

IDT CORP is the larger business by last-quarter revenue ($322.8M vs $183.1M, roughly 1.8× Amphastar Pharmaceuticals, Inc.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs 6.9%, a 6.4% gap on every dollar of revenue. On growth, IDT CORP posted the faster year-over-year revenue change (4.3% vs -1.8%). Amphastar Pharmaceuticals, Inc. produced more free cash flow last quarter ($24.6M vs $-16.0M). Over the past eight quarters, IDT CORP's revenue compounded faster (4.4% CAGR vs 3.2%).

Amphastar Pharmaceuticals is a publicly traded American speciality pharmaceutical company. It was incorporated in May 2004 and primarily develops, manufactures, and sells inhalation and intranasal products.

IDT Corporation is a multinational provider of cloud communications, point of sale systems, unified communications, and financial services foreign exchange services for selected clients. It has units dedicated for businesses and consumers such as the Boss Revolution pre-paid phone cards, headquartered in Newark, New Jersey.

AMPH vs IDT — Head-to-Head

Bigger by revenue
IDT
IDT
1.8× larger
IDT
$322.8M
$183.1M
AMPH
Growing faster (revenue YoY)
IDT
IDT
+6.1% gap
IDT
4.3%
-1.8%
AMPH
Higher net margin
AMPH
AMPH
6.4% more per $
AMPH
13.3%
6.9%
IDT
More free cash flow
AMPH
AMPH
$40.6M more FCF
AMPH
$24.6M
$-16.0M
IDT
Faster 2-yr revenue CAGR
IDT
IDT
Annualised
IDT
4.4%
3.2%
AMPH

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
AMPH
AMPH
IDT
IDT
Revenue
$183.1M
$322.8M
Net Profit
$24.4M
$22.4M
Gross Margin
46.8%
36.6%
Operating Margin
19.4%
9.6%
Net Margin
13.3%
6.9%
Revenue YoY
-1.8%
4.3%
Net Profit YoY
-35.7%
29.6%
EPS (diluted)
$0.51
$0.89

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
AMPH
AMPH
IDT
IDT
Q4 25
$183.1M
$322.8M
Q3 25
$191.8M
$316.6M
Q2 25
$174.4M
$302.0M
Q1 25
$170.5M
$303.3M
Q4 24
$186.5M
$309.6M
Q3 24
$191.2M
$308.8M
Q2 24
$182.4M
$299.6M
Q1 24
$171.8M
$296.1M
Net Profit
AMPH
AMPH
IDT
IDT
Q4 25
$24.4M
$22.4M
Q3 25
$17.4M
$16.9M
Q2 25
$31.0M
$21.7M
Q1 25
$25.3M
$20.3M
Q4 24
$38.0M
$17.2M
Q3 24
$40.4M
$36.8M
Q2 24
$37.9M
$5.6M
Q1 24
$43.2M
$14.4M
Gross Margin
AMPH
AMPH
IDT
IDT
Q4 25
46.8%
36.6%
Q3 25
51.4%
36.2%
Q2 25
49.6%
37.1%
Q1 25
50.0%
37.0%
Q4 24
46.5%
34.8%
Q3 24
53.3%
33.1%
Q2 24
52.2%
32.4%
Q1 24
52.4%
32.7%
Operating Margin
AMPH
AMPH
IDT
IDT
Q4 25
19.4%
9.6%
Q3 25
13.2%
6.9%
Q2 25
24.2%
8.8%
Q1 25
21.9%
9.3%
Q4 24
24.2%
7.6%
Q3 24
29.8%
6.5%
Q2 24
30.3%
3.8%
Q1 24
27.9%
5.4%
Net Margin
AMPH
AMPH
IDT
IDT
Q4 25
13.3%
6.9%
Q3 25
9.0%
5.3%
Q2 25
17.8%
7.2%
Q1 25
14.8%
6.7%
Q4 24
20.4%
5.6%
Q3 24
21.1%
11.9%
Q2 24
20.8%
1.9%
Q1 24
25.1%
4.9%
EPS (diluted)
AMPH
AMPH
IDT
IDT
Q4 25
$0.51
$0.89
Q3 25
$0.37
$0.67
Q2 25
$0.64
$0.86
Q1 25
$0.51
$0.80
Q4 24
$0.74
$0.68
Q3 24
$0.78
$1.45
Q2 24
$0.73
$0.22
Q1 24
$0.81
$0.57

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
IDT
IDT
Cash + ST InvestmentsLiquidity on hand
$282.8M
$189.3M
Total DebtLower is stronger
$608.7M
Stockholders' EquityBook value
$788.8M
$320.7M
Total Assets
$1.6B
$654.9M
Debt / EquityLower = less leverage
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
IDT
IDT
Q4 25
$282.8M
$189.3M
Q3 25
$276.2M
$226.5M
Q2 25
$231.8M
$199.9M
Q1 25
$236.9M
$142.2M
Q4 24
$221.6M
$148.0M
Q3 24
$250.5M
$164.6M
Q2 24
$217.8M
$139.8M
Q1 24
$289.6M
$141.1M
Total Debt
AMPH
AMPH
IDT
IDT
Q4 25
$608.7M
Q3 25
$608.6M
Q2 25
$607.7M
Q1 25
$603.9M
Q4 24
$601.6M
Q3 24
$596.4M
Q2 24
$586.9M
Q1 24
$594.0M
Stockholders' Equity
AMPH
AMPH
IDT
IDT
Q4 25
$788.8M
$320.7M
Q3 25
$776.7M
$305.1M
Q2 25
$757.5M
$286.2M
Q1 25
$751.3M
$271.6M
Q4 24
$732.3M
$260.6M
Q3 24
$727.7M
$246.2M
Q2 24
$713.3M
$214.5M
Q1 24
$672.4M
$211.8M
Total Assets
AMPH
AMPH
IDT
IDT
Q4 25
$1.6B
$654.9M
Q3 25
$1.7B
$626.2M
Q2 25
$1.6B
$600.9M
Q1 25
$1.6B
$575.7M
Q4 24
$1.6B
$554.6M
Q3 24
$1.5B
$550.1M
Q2 24
$1.5B
$517.3M
Q1 24
$1.6B
$521.8M
Debt / Equity
AMPH
AMPH
IDT
IDT
Q4 25
0.77×
Q3 25
0.78×
Q2 25
0.80×
Q1 25
0.80×
Q4 24
0.82×
Q3 24
0.82×
Q2 24
0.82×
Q1 24
0.88×

Cash Flow & Capital Efficiency

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

Metric
AMPH
AMPH
IDT
IDT
Operating Cash FlowLast quarter
$32.9M
$-10.1M
Free Cash FlowOCF − Capex
$24.6M
$-16.0M
FCF MarginFCF / Revenue
13.4%
-4.9%
Capex IntensityCapex / Revenue
4.5%
1.8%
Cash ConversionOCF / Net Profit
1.35×
-0.45×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$95.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
IDT
IDT
Q4 25
$32.9M
$-10.1M
Q3 25
$52.6M
$31.0M
Q2 25
$35.6M
$75.7M
Q1 25
$35.1M
$20.2M
Q4 24
$29.0M
$164.0K
Q3 24
$60.0M
$25.4M
Q2 24
$69.1M
$9.5M
Q1 24
$55.3M
$28.4M
Free Cash Flow
AMPH
AMPH
IDT
IDT
Q4 25
$24.6M
$-16.0M
Q3 25
$47.2M
$25.7M
Q2 25
$25.0M
$70.3M
Q1 25
$24.4M
$15.3M
Q4 24
$16.6M
$-5.1M
Q3 24
$46.2M
$20.1M
Q2 24
$63.1M
$4.7M
Q1 24
$46.5M
$23.9M
FCF Margin
AMPH
AMPH
IDT
IDT
Q4 25
13.4%
-4.9%
Q3 25
24.6%
8.1%
Q2 25
14.3%
23.3%
Q1 25
14.3%
5.1%
Q4 24
8.9%
-1.7%
Q3 24
24.1%
6.5%
Q2 24
34.6%
1.6%
Q1 24
27.1%
8.1%
Capex Intensity
AMPH
AMPH
IDT
IDT
Q4 25
4.5%
1.8%
Q3 25
2.8%
1.7%
Q2 25
6.1%
1.8%
Q1 25
6.3%
1.6%
Q4 24
6.7%
1.7%
Q3 24
7.2%
1.7%
Q2 24
3.3%
1.6%
Q1 24
5.1%
1.5%
Cash Conversion
AMPH
AMPH
IDT
IDT
Q4 25
1.35×
-0.45×
Q3 25
3.03×
1.84×
Q2 25
1.15×
3.49×
Q1 25
1.39×
0.99×
Q4 24
0.76×
0.01×
Q3 24
1.48×
0.69×
Q2 24
1.82×
1.71×
Q1 24
1.28×
1.97×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMPH
AMPH

Other Products$62.4M34%
Baqsimi$46.7M26%
Primatenemist$27.9M15%
Epinephrine$17.1M9%
Lidocaine$14.9M8%
Glucagon$14.1M8%

IDT
IDT

IDT Digital Payments$104.4M32%
IDT Global$60.2M19%
BOSS Revolution$45.7M14%
National Retail Solutions$39.3M12%
BOSS Revolution Money Transfer$36.3M11%
Net2phone$23.9M7%
Other$8.0M2%

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