Thanks Bob. Net revenues for the quarter ended September 30, 2012, of $10.8 million increased 21% over the second quarter net revenues of $13.6 million and increased when compared with the third quarter 2011 net revenues of $11.7 million.
Third quarter end user net revenues were $9.0 million, or 83% of net revenues, compared with second quarter end user net revenues of $11.3 million. OEM net revenues were $1.8 million, or 17% of net revenues, compared with second quarter OEM net revenues of $2.3 million. Net revenues for markets outside of semiconductor test were $1.1 million, or 10 % of net revenues, compared with $1.8 million, or 14% of net revenues in the second quarter. Thermonics third quarter 2012 revenue was $1.4 million, which was consistent with the revenue achieved during the second quarter of 2012.
The Company's overall gross margin for the second quarter was $4.8 million, or 44%, as compared with $6.2 million, or 46%, in the second quarter of 2012. Reduction in the gross margin was driven by a less favorable absorption of our fixed manufacturing costs in the third quarter of 2012 which increased to 15% of revenues in the third quarter from 13% of revenues in the second quarter. While our fixed manufacturing costs increased as a percentage of revenue quarter-over-quarter, they actually declined in absolute dollar terms from $1.8 million in the second quarter to $1.6 million in the third quarter of 2012, primarily due to reductions in temporary staffing levels in our Thermal Products segment.
Our consolidated material costs in the third quarter of 2012 declined to 37% compared to 37.8% in the second quarter. The material cost in our Mechanical Products segment decreased from 45.8% in the second quarter to 39.5% in the third quarter due to several factors, including a decrease in the percent of manipulator products shipped in the third quarter which decreased from 33% of Q2 Mechanical Product segment sales to 20% of Q3 sales, as well as the impact of the sales of certain distributor products by this segment. Offsetting this improvement were increases in the material costs in our Thermal and Electrical Product segments which increased to 33% and 45.5%, respectively, in the third quarter from 31.8% and 41.3%, respectively, in the second quarter due to changes in product and customer mix.
I will now discuss the breakdown of operating expenses for the quarter. Selling expense for the third quarter was $1.3 million, or 12 % of net revenues, compared with $1.6 million, or 12% of net revenues, for the 2012 second quarter, a decrease of $233,000 or 15%. The decrease was primarily due to decreased sales commission expense on reduced levels of revenues, as well as reduced spending on advertising and customer relations expense.
Third quarter engineering and product development expense was $1.0 million, or 9% of net revenues, compared with $980,000, or 7% of net revenues, an increase of $26,000 or 3%. The increase was due to higher levels of spending on patent legal costs and product development materials in the third quarter in our Mechanical Products segment and increased stepping costs due to annual salary increases at the beginning of the third quarter in our Electrical Products segment.
General and administrative expense in the third quarter was $1.4 million, or 13% of net revenues, compared with $1.7 million, or 13% of net revenues in the second quarter, a decrease of $220,000 or 13%. The decrease was primarily the result of reduced accruals for profit-related bonuses on lower levels of profits in the third quarter, as well as lower levels of corporate legal costs.
Other income for the third quarter was $23,000 compared to zero for the second quarter, with the increase caused by increased foreign exchange transaction gains during the third quarter.
Income tax expense was $348,000 for the third quarter compared with $660,000 in the second quarter. Our effective tax rate in the third quarter was 34% compared to 33% in the second quarter. We expect our effective tax rate will remain in the mid-30% range for the fourth quarter. As of September 30, 2012, we had total deferred tax assets of $2.1 million.
Third quarter net income was $664,000 or $0.06 per diluted share, compared with second quarter net income of $1.3 million or $0.13 per diluted share. Average shares outstanding remained unchanged at 10,360,000.
Consolidated headcount at the end of September (which includes temporary staff) was 146, a decrease of one individual during the third quarter. As we have noted before, we closely monitor our resource levels and will adjust as needed when we see any prolonged softness in demand levels.
I'll now turn to our balance sheet. Cash and cash equivalents at the end of the third quarter were $14.7 million. We currently expect cash and cash equivalents to increase sequentially at December 31, 2012.
Accounts receivable at the end of the third quarter was $6.9 million, which decreased $2.4 million during the quarter. The decrease was driven by lower levels of net revenue in the third quarter compared to the second quarter, as well as decreases in days sales outstanding which were 60.4 days at September 30, 2012.
Inventory declined by approximately $600,000 to $3.8 million at the end of September. Capital expenditures during the third quarter were $154,000 compared to $129,000 in the second quarter. The capital expenditures were related to new tech fixtures for our Electrical Products segment and various leased equipment in our Thermal Products segment.
Bob provided the consolidated and segment booking data earlier in the call. For the quarter ended September 30, Thermonics bookings were $1.2 million compared to $1.4 million in the second quarter. The backlog at the end of the third quarter was $3.2 million, down from $5.2 million at the end of the second quarter and Thermonics backlog was $545,000 at September 30, 2012.
In terms of our financial outlook, as noted in our earnings release, we expect that net revenue for the quarter ended December 31, 2012 will be in the range of $8.5 to $9.5 million with financial results ranging from a net loss of $(0.02) per diluted share to net earnings of $0.04 per diluted share. We currently expect that our Q4 2012 material costs as a percentage of revenue will range from 34 to 36% due to a more favorable product mix.
Please note that our outlook is based on the Company's current views with respect to operating and market conditions and customer forecasts which are subject to change. Operator, that concludes our formal remarks. We can now take questions.