Loss on Extinguishment of Debt. For the year ended December 31, 2019, loss on extinguishment of debt was $1.3 million as the result of paying off the 2018 Second Lien Credit Facility. For the year ended December 31, 2018, loss on extinguishment of debt was $2.4 million as the result of refinancing our credit facility in the first quarter of 2018.
Net periodic benefit (income) cost, excluding service cost. For the year ended December 31, 2019, net periodic income was $5.0 million primarily due to the gain on the termination of the postretirement plan. For the year ended December 31, 2018, net periodic benefit cost was $0.1 million.
Income Tax Expense. The Company’s income tax expense of $2.0 million, or 12.9% of income before income taxes, for the year ended December 31, 2019, is lower than the expected annual effective tax rate as a result of discrete tax benefits of $4.6 million from the exercise of stock options during the year. The Company’s income tax expense of $6.3 million, or 19.9% of income before income taxes, for the year ended December 31, 2018, is lower than the expected annual effective tax rate as a result of discrete tax benefits of $5.4 million from the exercise of stock options during the year.
Consolidated Net Income. Due to the factors described above, net income for the year ended December 31, 2019 and 2018, was $13.7 million and $25.3 million, respectively.
Comparison of Year Ended December 31, 2018, to Year Ended December 31, 2017
Net Sales. For the year ended December 31, 2018, overall net sales increased to $332.7 million from $285.8 million for the year ended December 31, 2017, an increase of $46.9 million or 16.4%. The increase in net sales was primarily driven by continued VaporBeast momentum and the acquisitions of Vapor Supply and IVG.
For the year ended December 31, 2018, net sales in the Smokeless products segment increased to $90.0 million from $84.6 million for the year ended December 31, 2017, an increase of $5.5 million or 6.5%. For the year ended December 31, 2018, Smokeless products volume increased 2.6% and price/mix increased 3.9%. The increase in net sales was primarily driven by the continuing growth of Stoker’s® MST partially offset by declines in chewing tobacco attributable to increased competition, our promotional timing, and a continuing segment shift to lower price products.
For the year ended December 31, 2018, net sales in the Smoking products segment increased to $111.5 million from $110.0 million for the year ended December 31, 2017, an increase of $1.6 million or 1.4%. For the year ended December 31, 2018, Smoking products volumes decreased 0.7%, while price/mix decreased 0.7%. The increase in net sales is primarily due to volume growth for our Zig-Zag® branded papers and cigar wraps offset by our strategic decision to de-emphasize the low margin cigar products business and line rationalization of our MYO tobacco products. Cigar product sales declined by $3.0 million to $5.5 million in the year ended December 31, 2018.
For the year ended December 31, 2018, net sales in the NewGen products segment increased to $131.1million from $91.3 million for the year ended December 31, 2017, an increase of $39.9 million or 43.7%. The increase in net sales was primarily driven by continued VaporBeast momentum along with the acquisitions of Vapor Supply and IVG.
Gross Profit. For the year ended December 31, 2018, overall gross profit increased to $142.6 million from $125.0 million for the year ended December 31, 2017, an increase of $17.6 million or 14.1%, primarily due to growth in the NewGen segment. Consolidated gross profit for the year ended December 31, 2018, included $0.1 million of unfavorable LIFO adjustments, $1.0 million of introductory launch costs and $2.9 million of product line rationalizations compared to $1.1 million, $0.7 million and $0.5 million, respectively, in the year ended December 31, 2017. Gross profit as a percentage of net sales weakened to 42.9% for the year ended December 31, 2018, from 43.7% for the year ended December 31, 2017, primarily due to the majority of the sales growth coming from the NewGen segment, which has lower margins.
For the year ended December 31, 2018, gross profit in the Smokeless products segment increased to $46.5 million from $42.7 million for the year ended December 31, 2017, an increase of $3.8 million or 8.9%. Smokeless gross profit for the year ended December 31, 2018, included $0.1 million of unfavorable LIFO adjustments, $0.2 million of introductory launch costs, and $0.1 million of restructuring expenses compared to $0.7 million, $0.7 million, and less than $0.1 million, respectively, for the year ended December 31, 2017. Gross profit as a percentage of net sales increased to 51.6% of net sales for the year ended December 31, 2018, from 50.5% of net sales for the year ended December 31, 2017.