The increase in Cost of Sales for the year ended December 31, 2022, is primarily due to Cost of Sales related to Q421 acquisitions which were partially offset by productivity gains achieved through NetScribe, powered by aiAssist, and our global workforce. Our Cost of Sales for the year ended December 31, 2022 was impacted positively by approximately $0.6M respectively due to weakening Australia and UK currencies in comparison to the USD.
We continued to utilize our global labor force which provides scale and real-time capacity, lower costs and 24-hour production. This stimulated gross margin improvements that began in Q4 2021.
During the year ended December 31, 2022, the Company received and recorded in cost of sales $129,247 of COVID-19 wage subsidies vs. $673,281 in the comparative period in 2021.
Gross Profit
Gross Profit for the year ended December 31, 2022, increased by $7,002,744, or 47%, to $21,925,703, from $14,922,959, for the comparative period in 2021. The increase in Gross Profit for the year ended December 31, 2022, is primarily due to Q4 2021 acquisitions and productivity gains, partially offset by lower technology revenue vs. the comparative period in 2021. In addition, the comparative period in 2021 includes $673,281 in COVID-19 wage subsidies vs. $129,247 in the year ended December 31, 2022. Excluding COVID-19 wage subsidies, Gross Profit Margin for the year ended December 31, 2022, would be 47.5% vs. 45.9% in the comparative period in 2021 which has increased due to productivity gains achieved through NetScribe, powered by aiAssist, and lower labour costs due to continued expanded use of our global workforce. Our Gross Profit for the year ended December 31, 2022 was impacted negatively by approximately $0.3M due to the weakening Australia and UK currencies in comparison to the USD.
Selling and Administrative Expenses
Selling and Administrative Expenses for the year ended December 31, 2022, increased by $5,406,590, or 28%, to $24,526,303, from $19,119,713, for the comparative period in 2021. The increase for the year ended December 31, 2022, includes Selling and Administrative Expenses related to Q4 2021 acquisitions, and incremental costs associated with cloud services of approximately $800,000 to support expansion of our infrastructure. The increase in selling and administrative expenses was partially offset by approximately $3,000,000 in one-time professional service fees reported in comparative period 2021 relating to capital raise, Nasdaq listing fees and M&A activity. In addition, the year ended December 31, 2022, included $95,565 recorded in selling and administrative expenses for COVID-19 wage subsidies versus $988,531 in the comparative period in 2021.
Research and Development Expenses
Research and Development Expenses for the year ended December 31, 2022, decreased by $357,993, or 33%, to $734,115, from $1,092,108, for the comparative period in 2021. The decrease in Research and Development Expenses for the year ended December 31, 2022, is primarily due to lower project costs than the comparative period in 2021.
Loss (Gain) on Contingent Consideration
For the year ended December 31, 2022, Contingent Consideration changed by $412,640, from a gain of $332,569, recognized in the comparative period in 2021 to a loss of $80,071. The change for the year ended December 31, 2022, is mainly due to changes in anticipated acquisition earnout payments primarily as a result of revised forecasted revenue for the wordZXpressed, Inc. (“WordZ”) acquisition. In addition, the prior year gain on contingent consideration related to the earnout of the ASC acquisition which was settled in Q4 2021. Revenue forecasts are updated on a quarterly basis and the related anticipated acquisition earnout payment accruals are updated accordingly.
Stock-Based Compensation
For the year ended December 31, 2022, Stock Based Compensation decreased by $5,715,877 to $2,779,312 from $8,495,189, recognized in the same period of 2021. The decrease in Stock Based Compensation is due to the impact of 805,947 options, 803,463 RSUs and 195,000 PSUs granted during the year ended December 31, 2022 compared to 1,115,086 stock options and 1,023,378 RSUs granted for the year ended December 31, 2021. In addition, the 2022 RSUs, PSUs and stock options were recorded at lower fair value due to lower share price.