Some say volatility, rather than debt, is the best way to think about risk as an investor, but Warren Buffett famously said that 'Volatility is far from synonymous with risk.' So it seems the smart money knows that debt - which is usually involved in bankruptcies - is a very important factor, when you assess how risky a company is. As with many other companies Etherstack plc (ASX:ESK) makes use of debt. But the more important question is: how much risk is that debt creating?
Why Does Debt Bring Risk?
Debt is a tool to help businesses grow, but if a business is incapable of paying off its lenders, then it exists at their mercy. Ultimately, if the company can't fulfill its legal obligations to repay debt, shareholders could walk away with nothing. However, a more usual (but still expensive) situation is where a company must dilute shareholders at a cheap share price simply to get debt under control. Having said that, the most common situation is where a company manages its debt reasonably well - and to its own advantage. When we think about a company's use of debt, we first look at cash and debt together.
What Is Etherstack's Net Debt?
As you can see below, at the end of December 2024, Etherstack had US$2.64m of debt, up from US$2.43m a year ago. Click the image for more detail. However, because it has a cash reserve of US$136.0k, its net debt is less, at about US$2.50m.
How Strong Is Etherstack's Balance Sheet?
The latest balance sheet data shows that Etherstack had liabilities of US$4.13m due within a year, and liabilities of US$3.31m falling due after that. On the other hand, it had cash of US$136.0k and US$3.33m worth of receivables due within a year. So its liabilities total US$3.97m more than the combination of its cash and short-term receivables.
Of course, Etherstack has a market capitalization of US$32.3m, so these liabilities are probably manageable. However, we do think it is worth keeping an eye on its balance sheet strength, as it may change over time. The balance sheet is clearly the area to focus on when you are analysing debt. But you can't view debt in total isolation; since Etherstack will need earnings to service that debt. So when considering debt, it's definitely worth looking at the earnings trend. Click here for an interactive snapshot.
View our latest analysis for Etherstack
In the last year Etherstack had a loss before interest and tax, and actually shrunk its revenue by 37%, to US$5.9m. That makes us nervous, to say the least.

Caveat Emptor
While Etherstack's falling revenue is about as heartwarming as a wet blanket, arguably its earnings before interest and tax (EBIT) loss is even less appealing. Indeed, it lost a very considerable US$3.6m at the EBIT level. Considering that alongside the liabilities mentioned above does not give us much confidence that company should be using so much debt. Quite frankly we think the balance sheet is far from match-fit, although it could be improved with time. Another cause for caution is that is bled US$1.7m in negative free cash flow over the last twelve months. So suffice it to say we consider the stock very risky. There's no doubt that we learn most about debt from the balance sheet. But ultimately, every company can contain risks that exist outside of the balance sheet. For example - Etherstack has 1 warning sign we think you should be aware of.
Of course, if you're the type of investor who prefers buying stocks without the burden of debt, then don't hesitate to discover our exclusive list of net cash growth stocks, today.
Valuation is complex, but we're here to simplify it.
Discover if Etherstack might be undervalued or overvalued with our detailed analysis, featuring fair value estimates, potential risks, dividends, insider trades, and its financial condition.
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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
About ASX:ESK
Etherstack
A wireless technology company, engages in the development, manufacture, licensing, and sale of mission critical radio technologies to equipment manufacturers and network operators in the United Kingdom, the United States, Japan, and Australia.
Mediocre balance sheet very low.
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