We classified the remaining portion of our business as Non-Core. Non-Core was 30% of the business, down from 32% in Q1 '08 and down from 38% in Q2 '07. I will remind you that in Q1, we had approximately $2.4 million of sales from products that were eventually divested to Maxim. Our Non-Core business is comprised of our legacy storage products, including Radon chip products and our fiber channel port bypass circuits, [inaudible], and back plane components, as well as some of our older non-core networking products, such as network processors, where we have not made any substantial investments in more than four years. We expect the slow decline to continue through much of fiscal 2009 and into 2010, when Non-Core should be less than 15% of the total business. In the quarter, our top ten customers again represented just over 50% of the total business. We had two customers, IBM and [WahWeh], that just over 10% of sales in the quarter. Geographically, our business was well diversified, with 45% of sales in the U.S., 43% in Asia, and 12% in Europe. Looking forward, we are very optimistic about our strategy to enable Ethernet in Carrier and Enterprise Networks. We have focused our resources on these two major markets -- the Metro and Core Carrier Networking market and the Enterprise Networking market, including Ethernet switching and networking. We estimate these markets represent a total available opportunity of over $2.5 billion. Both markets are going through a transition to higher bandwidth and increasing complexity. As a result, and as we have expected, the trend to more Ethernets in the networks is accelerating.
In Carrier Networking, we continue to see reports documenting the penetration of Ethernet into broadband access, aggregation, and metro segments of the network. For example, a recent study from [Emphanatics] reports 27% growth in Ethernet services in 2007 and forecasts double-digit growth over the next four years. We have a unique combination of technology and products that makes us well suited to attack this growing market. Unlike many of our competitors, we provide a substantial legacy footprint in telecom carrier applications, holding greater than 50% market share for the highest speed, 10 gigabit Ethernet over Sonet market. In addition, we provide a strong road map to next-generation carrier Ethernet based on our expertise in layer one and layer two Ethernet technology. We expect to leverage this leadership position as these networks transition from Sonet to Ethernet over Sonet and eventually to Carrier Ethernet. And there are similar trends in Enterprise Networking markets.
Our strength in Ethernet switching, copper, and optical PHYs and signal integrity products gives us an excellent platform to address the many segments of the Enterprise Networking markets. In fact, most of our new products are design to fit well into both Carrier and Enterprise Markets. In many cases, we expect to see high-end enterprise applications adopt some of these technologies even before they penetrate the carrier networks. This is particularly true for products at 10 gigabit speeds, where we already have a substantial market presence. In closing, I would like to say this was a solid quarter for the Company. We've gotten many distractions behind us and are focusing more efforts on running the Company. We continue to demonstrate the operational improvements we started in the second half of 2006 and we continue to close good opportunities at large tier 1 customers, building on the substantial market share we already have today. We are executing our new product road maps that will deliver a broad variety of leading edge technology across our markets. Combined, we expect to deliver a unique portfolio of products to these customers, securing market share and driving growth opportunities. I look forward to our next call when we will update you with our financial earnings release. This concludes the formal update, and we'll turn it over to the operator for questions.
Thank you. (OPERATOR INSTRUCTIONS). Our first question is from the line of Allan Mishan with Oppenheimer Funds. Please go ahead.
Hey, guys, can you talk a little bit about 10 gigabit Ethernet and give us an update about SFP-plus design wins, specifically at some of the tier 1 switch vendors, how are those going, have design wins been awarded, and how are you doing?
Sure. So 10 gigabit Ethernet is obviously is a focus area for us, primarily on [Sertez]. You mentioned I think SFP-plus, which is primarily optical implementation of ten gigabit Ethernet. We also are doing a lot of work with similar products in 10 gigabit for back point applications, so there are a lot of -- there is a lot of interest out there. As you know, we own today probably -- certainly 80% plus of the 10 gigabit Ethernet the for the LRM application -- that is the EDC component within that LRM application. As that moves to SFP-plus, people are starting to deploy line cards very early stages for SFP-plus deployment of those line cards. We have late generation CMOS technology competing for those sockets. So we
have seen a lot of opportunities there both on the optical side and the copper side. We actually think the copper end of things for back plays may end up being a more substantial near term market than the LRM market.
Allan Mishan - Oppenheimer Funds - Analyst
Okay. Great. And then, you indicated some caution regarding the Carrier business. Could you expand a little bit about that and how that would impact you in the June and September quarters relative to seasonality and overall demand?
Christopher R. Gardner - Vitesse Semiconductor - CEO
Well, you know, we've been talking I think for the last couple of quarters that we see the markets as very volatile. I mean, China is a great example. That hit us pretty hard in Q1, and it was very, very strong here in Q2. What drives those exact ebbs and flows, it is difficult to say. The caution really comes from some recent announcements. I mean, we're seeing some of the larger guys out there announce flat sequentially, potentially guiding down, so we have -- we continue to see pretty good strength in our new products in that we still see strong forecasts as we take share at these higher data rates and as the network's transition from Sonet to Ethernet technology. So it is a little difficult to say how those are going to impact us, but obviously we're just trying to be cautious as we move forward here in the current environment.
Allan Mishan - Oppenheimer Funds - Analyst
Okay, and then lastly, you along with several of your competitors have talked about China being very, very strong either in the March or June timeframes or both. Do you think there is sort of any chance when you talk to the OEM customers that you serve that some of this might be pre-Olympic installations for either 3G wireless or broadband or video or something and that, you know, once the Olympics are over that some of this stuff may collapse or pause? Has that come up at all in your discussion with customers? What do you think about that?
Christopher R. Gardner - Vitesse Semiconductor - CEO
Well, you know, we continue to ask that question, and it is not something that any of our customers are forecasting at this point. You remember, a lot of the big vendors we sell into -- and we mentioned [WahWeh] by name -- 60 plus percent of their business is international, so it is not just China that's driving their business. In fact, most of their growth is coming from international business. So we're watching it. We're cognizant that it could be a problem, but so far we haven't seen any -- we can't confirm that it will be for sure.
Allan Mishan - Oppenheimer Funds - Analyst
Okay. Thanks a lot.
Operator
Our next question is from the line of Mike Ridgeway with Steelhead partners. Please go ahead.
Mike Ridgeway - Ridgeway Partners - Analyst
Yes, hi. I was wondering if you guys could just -- or maybe, Rich, you could talk us through the long-term model, give us an update as to where you are in your attainment of that model and are there any changes we we should be thinking about as the order book continues to grow and design wins continue to track the way they have?
Rich Yonker - Vitesse Semiconductor - CFO
No. It remains the same. We said 55 to 60% gross margin, and 17 to 22% EBITDA. There is some challenges from certainly an inventory standpoint because we've absorbed on our balance sheet the channel inventory, but I think that's a good thing because of visibility, so, no, they stand as we announced them a couple of quarters ago, and we feel like at least with some of the nuances in bringing an update on where we're a,,
can't wait to get the audited financing out there so they're not nuances but you can see how we're tracking versus the actuals versus the target. We're feeling confident about where we're at.
Mike Ridgeway - Ridgeway Partners - Analyst
Great. Great. Appreciate that. Any -- so no impact at this point given the IP portfolio kind of coming on a little bit end of the year?
Rich Yonker - Vitesse Semiconductor - CFO
No. Again, that was dialed into our 55 to 60% gross margins. Again, we've got quite a mix actually of gross margins from one end of the business to the other if one end is IP close to 100%; but again, because it is not quarter to quarter, it is going to be a bit lumpy, and when we have that, it is nice when we get it. You know, the core business we're looking at carrier Ethernet is very solid gross margins and even Ethernet to the enterprise probably be a tad bit lighter, it is a really good business, and we have a nice portfolio of gross margins and we get to report them.
Mike Ridgeway - Ridgeway Partners - Analyst
Great. Just a couple of housekeeping things here. The pro fees 3 million, was that majority audit related or was there some litigation still in there, and what would you expect those going forward?
Rich Yonker - Vitesse Semiconductor - CFO
Yes, again I would like to see that disappear. Most of that was again some of these jumping through these hoops again for this last pass of getting the audit done, so we retained interim accounting and CPA out longer than I thought we needed to. There is a modest amount of legal fees in there, but primarily it is the reconstruction of '07 and '06 financials, as well as validating the confirmations that I talked about.
Mike Ridgeway - Ridgeway Partners - Analyst
Great. Well, thanks lot. Appreciate the work and we'll look forward to the next call.
Operator
Our next question is from the line of Jerry Reeve with Vanguard Capital. Please go ahead.
Jerry Reeve - Vanguard Capital - Analyst
Just a clarification on the target gross margins and the EBITDA. That if I recall a couple of conferences ago, not only were those numbers thrown out, there was I think -- and correct me if I'm wrong -- some indication that you were then operating within those ranges rather than there just being goal. Is that correct and is that still the case?
Rich Yonker - Vitesse Semiconductor - CFO
No. They're always long-term financial targets. We've never said that we're operating within those bandwidths. We're driving toward it, and again some of the nuances of our improvement in margins and stuff is that we're tracking nicely, but again, without actuals you can't -- I can't feel that they're nice progress. So, no, we did not say that prior.
Jerry Reeve - Vanguard Capital - Analyst
Okay. Thank you.
Operator
Our next question is from the line of [Edward Valenski with [Sedmark] International. Please go ahead.
Edward Valenski - Sedmark International - Analyst
You know, in the past, about 100 companies -- certainly over 100 companies -- have reported problems with the auditors and with options, and to my knowledge with those that are still in operation, there is only one Company that has not been able to report, and I am still uncertain as to what the reason is for the delay. I am familiar with one company that managed to go back 13 years and straighten all of this out months and months ago. I have no sense -- I mean, are you guys exercising such an exquisite sense of perfection that is well beyond the legal accounting or any reasonable requirements that this thing is taking -- you know, taking so long?
Rich Yonker - Vitesse Semiconductor - CFO
Edward, good question. You would have to segment us versus perhaps some of those other option-back dating tasks. You remember back in December of '06, the Company disengaged with KPMG its internal auditor for all of its 20 years. When we disengaged, they took all the working papers with them, so those documents are not available to the new auditor in terms of reconstructing any of these financials. Along with the termination of KPMG in December of '06, there was a report out by the Special Committee, which is a subset of the Board of Directors in which there were, as I recollect, 12 to 15 accounting and proprietaries that made this even more complex, so you know, Chris mentioned a little bit earlier in his overview of where we're at in the audit; he is very careful to say these are not restatements. We literally had to reconstruct '07 and '06 financials in order to, one, for me review them and say, okay, these in fact are the true and representative accounting records of the Company; and then turn them over to the auditors, who again, given BDO, our new audit firm, did not have the benefit of working papers for those years -- along with me had to confirm quite thoroughly to validate revenue recognition, which was a really laborious task. So -- and the option-backed dating in itself is a task, but in addition to that everything else I just explained, most companies that had the option-backed dating didn't have those same challenges, so understand the frustration, also need to understand that it wasn't just option-backed dating. In fact, it was much of this other issues I addressed.
Edward Valenski - Sedmark International - Analyst
Thank you, then.
Rich Yonker - Vitesse Semiconductor - CFO
You bet. (OPERATOR INSTRUCTIONS).
Operator
Our next question is from the line of Christopher Howard, a private investor. Please go ahead.
Christopher Howard - Private Investor - Analyst
Yes. I would like to ask about the job postings, and if these are mainly new employees that are coming in or these are going to be replacements for people that have already been working there?
Christopher R. Gardner - Vitesse Semiconductor - CEO
Yes. Most of the job postings are for new employee positions. I can't tell you exactly what percentage, but I can tell you that our actual attrition rate at the Company today is on the order of 1% or so per quarter, so it is substantially lower right now than industry average and most of the opportunities are for [inaudible].
Christopher Howard - Private Investor - Analyst
And as far as the Colorado facility, any news with that?
Christopher R. Gardner - Vitesse Semiconductor - CEO
No. It is still on the market. And we have probably fielded a few nibbles over the last quarter or so, but we've not been able to get rid of that building at this point.
Christopher Howard - Private Investor - Analyst
How about looking into leasing it out, any of those?
Christopher R. Gardner - Vitesse Semiconductor - CEO
Well, at this point we're just more interested in trying to get rid of it, to sell it. We've had enough interest that we think it is possible, but if it is on the market for too long and we really don't feel that it is possible, we would like at doing something else.
Christopher Howard - Private Investor - Analyst
Thank you.
Operator
Our next question is from the line of Orin Hirschman with AIG Investments.
Orin Hirschman - AIG Investments - Analyst
Hi, how are you?
Christopher R. Gardner - Vitesse Semiconductor - CEO
Good Orin, nice to talk to you.
Orin Hirschman - AIG Investments - Analyst
Thank you, same here. Just in terms of the competitive front, any new there in any which way or form? Particularly on the Enterprise?
Christopher R. Gardner - Vitesse Semiconductor - CEO
On the Enterprise side, our big competitors in the guts of the Enterprise continue to be Broadcom and Marvell. They continue to be aggressive in their product families. Buy I don't know if I would report anything dramatically new there. You know, I think we're seeing pretty much from our competitors what we expect, and our strategy is really to find, I think, a path almost up the middle between them. Our typical carrier networking competitors seem a bit deficient in their capabilities to address Ethernet, and certainly our traditional Ethernet competitors, Broadcom and Marvell, you know, don't quite have the telecom carrier presence that we do, so we're trying not to fight guys like Broadcom and Marvell top head on. For the most part, in a lot of ways they seem to be going after somewhat larger markets, right? They're going after the wireless market and the handheld market and other areas where we think certainly we're not interested in competing today.
Orin Hirschman - AIG Investments - Analyst
Anything new -- also a separate question -- anything new on the IP side in terms of additional IP licensing?
Christopher R. Gardner - Vitesse Semiconductor - CEO
We are exploring additional opportunities now. There's probably several that are in the hopper. I will tell you these things take a very long time to come to fruition. The first one we worked on for probably nine months before we got it done, so I would certainly don't think I have anything imminent that's worth announcing, but we continue to get inbound queries on our capabilities, and we are exploring a lot of other opportunities there.
Orin Hirschman - AIG Investments - Analyst
Thank you so much.
Operator
Our next question is from the line of John Francis of Francis Capital. Please go ahead.
John Francis - Frances Capital - Analyst
Hello, gentlemen.
Rich Yonker - Vitesse Semiconductor - CFO
Hi, John.
John Francis - Frances Capital - Analyst
Given that the Company's stock continues to languish as it has for the last couple of years, down probably 60, 70% from where it was two years ago, what are your plans to maximize shareholder value?
Christopher R. Gardner - Vitesse Semiconductor - CEO
Well, we've been working on a lot of things that we've talked about over the last two years. Obviously, we got hit pretty hard in April and through the summer of 2006 with all the news that came out and the subsequent challenges that the Company's faced, so we've been knocking those challenges down one by one, and I think this quarter will represent when we get the great majority of those challenges behind us. We have turned aggressively to looking at the strategy for identifying what we consider substantial growth areas, and making sure that we're investing in those areas appropriately to grow the Company, and I would say that's where we're focused today is making sure that our product definitions and our product road maps are in markets that will provide those kind of opportunities. Clearly, on top of that we've got to make sure that we're driving every nickel to the bottom line that we can generate at the top line, and I think we've done a good job. We've talked about some of those operational improvements. You've seen some of the numbers that we've been able to report, and we look forward to getting out the earnings release so you can look at the progress from that perspective.
Operator
And I apologize, Mr. Francis, your line is still open.
John Francis - Frances Capital - Analyst
Thanks very much.
Operator
Our next question is from the line of Alex Washburn of Columbia Pacific. Please go ahead.
Alex Washburn - Columbia Pacific - Analyst
Good afternoon, gentlemen.
Christopher R. Gardner - Vitesse Semiconductor - CEO
Good afternoon.
Alex Washburn - Columbia Pacific - Analyst
Question for you on the audit. I understand 2006 and 2007 are -- the SEC has kind of approved the plan for these. Is 2005 off the table or where are you with 2005?
Rich Yonker - Vitesse Semiconductor - CFO
Yes, Alex, this is Rich. They've approved that in fact '05 would not be part of the expanded 10-K, so we -- again, that's a big deal for them to say understand '06 and '07, the formats and how we do it, but that they would agree with our proposal that '05 would not be possible to file that.
Alex Washburn - Columbia Pacific - Analyst
But what does that mean from a listing perspective?
Rich Yonker - Vitesse Semiconductor - CFO
Well, it means that we have two out of the three years to get compliant with the SEC, so that's why I mentioned in the overview that we close '08 in September because we're in a fiscal year and the normal timing of that audit, given its one year and given I've been here all year, is that would be timely and filed in the December '08 time frame. We would have three years of audit results at that point and therefore high likelihood that we would be compliant with the SEC. There are some nuances in that, but they're not really, really large like getting the full year submitted in the 10-K. Then we would be facing relisting with NASDAQ and other there are dimensions there in terms of the stock price and the potential of a reverse split in order to achieve that stock price, but right now, the goal is get that third year, which would be '08, submitted in a timely manner to the SEC and therefore meet the requirement to have three years of audited financials.
Alex Washburn - Columbia Pacific - Analyst
No, I understand to be compliant with the SEC. I am curious with the NASDAQ, has the NASDAQ ever listed someone without an audited year?
Rich Yonker - Vitesse Semiconductor - CFO
Not to my knowledge, but given everything we've been through -- Chris alluded to the distractions, and there's at least a dozen of them since I have been here -- is that we're an exception to everything, and we'll definitely approach it with NASDAQ as making a case for perhaps a buy on that, but at this point the key thing is to get a third year of audited financials into the SEC.
Alex Washburn - Columbia Pacific - Analyst
Okay. Understood. Thanks for your hard work.
Rich Yonker - Vitesse Semiconductor - CFO
Yes.
Operator
Our next question is from the line of Robert Jordan with Piney Reach. Please go ahead.
Robert Jordan - Piney Reach - Analyst
This question is for Chris Gardner. This question is not intended to embarrass otherwise affect you, it is serious. Please explain why after two years of spinning the Company's wheels with no financials and stock at its lows, you do not feel the Company or resign your position to someone who can get more accomplished and more respect in the market?
Christopher R. Gardner - Vitesse Semiconductor - CEO
Well, I think the question is a reasonable one, and each shareholder certainly is allowed to challenge the efficiency and productivity of my position. You know, I think the reality is the Company over the last two years has been put in an incredibly difficult and challenging position, and while we have not yet been able to come out of the end of this process, I think we've done a pretty darn good job of getting through the process. Along the way, there have been a lot of people saying that we wouldn't make it, that we would be declaring bankruptcy, that we would be otherwise going the wrong way, and I think we've demonstrated -- and as we publish our numbers here -- we'll continue to demonstrate that we've made tremendous progress. So I am actually very proud of the performance of the Company given the situation we found ourselves in, and certainly proud of the efforts of everybody at Vitesse who has enabled us to make it this far. So, you know, I will let certainly the Board of Directors and the shareholders continue to judge my performance on the performance of the Company, and when they view I am not executing as they think I need to, then they can make that decision.
Operator
Our next question is from the line of Kevin Lang, a Private Investor. Please go ahead.
Kevin Lang - Private Investor - Analyst
My question, guys, is for Rich on the cash balance that you ended the quarter with. You said you were cash flow positive for the fifth consecutive quarter, but it sounded to me like the balance was less than it was at the end of the previous quarter.
Rich Yonker - Vitesse Semiconductor - CFO
Yes, with the exceptions that I cited. Again, we're making significant investments in the margin improvement as well as time to market, so you could almost call that a non-GAAP/non-GAAP type analysis, but you're at ground zero looking at where the cash goes and what I am investing in -- that is a fair statement. There was some movement in working capital that, you know -- again when the audited results comes out, I think you're going to be more than satisfied with what we're doing. Just trying to give you indicators on the things I can give you indicators on without the audited results.
Kevin Lang - Private Investor - Analyst
Sure. Is there still income to be earned from the Maxim sale or is that done?
Rich Yonker - Vitesse Semiconductor - CFO
No, there was a timing issue because the deal was closed in October. We're really on a three-month reconciliation of it, so I got November, December, January, February, March, April, so we're really in between quarters, if you will, but, no, there is potentially more from that sale of asset in the earnout that's associated with that.
Kevin Lang - Private Investor - Analyst
I guess the last part of my question, which one gentleman alluded to earlier, with the audit essentially complete or near complete, the professional fees that are being expensed to these accounting professionals should go down significantly?
Rich Yonker - Vitesse Semiconductor - CFO
Yes. We're really looking at it as a super tax. You look at the line item on the P&L or the the income statement, and that's going to be a nice bonus to us all here to make that approach zero as soon as we can. Again, the obstacles that I cited in my overview are, you got to do what you got to do to make the accounting records auditable and then to make sure that the SEC is in -- you're in complete lock step with the SEC's expectations.
Kevin Lang - Private Investor - Analyst
Great. Thanks, Rich. Appreciate it.
Rich Yonker - Vitesse Semiconductor - CFO
You bet.
Operator
And we do have a follow-up question from the line of Robert Jordan with Piney Reach. Please go ahead.
Robert Jordan - Piney Reach - Analyst
I was disconnected after my suggestion that Chris Gardner resign, but as a follow-up, I think I speak for a large percentage of the owners of Vitesse in saying that you get an A plus grade for politicking, and fooling all of us, but an F for increasing shareholder value. Good luck to all of us for leaving the Company in your hands a day longer than necessary.
Christopher R. Gardner - Vitesse Semiconductor - CEO
Well, with that, if there are no other questions, which don't seem to be, I think moderator, we can end the call.
Operator
This does conclude today's conference call. You may now disconnect.
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