Legal, Financial and Other Consulting Expenses:
Legal, financial, and other consulting expenses were approximately $1,103,000 for the three months ended September 30, 2023, as compared to approximately $610,000 for the three months ended September 30, 2022, an increase of approximately $494,000. This increase was due to costs related to the abandonment of certain patent applications of approximately $183,000, other increases in legal expenses of approximately $42,000, an increase in consulting costs of approximately $152,000 related to regulatory matters on DrugSorb-ATR, an increase in employment agency fees of approximately $93,000 and an increase in accounting fees of approximately $24,000.
Selling, General and Administrative Expenses:
Selling, general and administrative expenses were approximately $8,104,000 for the three months ended September 30, 2023, as compared to approximately $8,735,000 for the three months ending September 30, 2022, a decrease of $631,000. This decrease was due to a decrease in advertising costs of approximately $683,000, a decrease in salaries, commissions and related costs of approximately $28,000, and a decrease in non-cash restricted stock expense of approximately $105,000. These decreases were offset by an increase in non-cash stock compensation expense of approximately $81,000, an increase in travel and entertainment costs of approximately $73,000 and an increase in other general and administrative costs of approximately $31,000.
Loss on Foreign Currency Transactions:
For the three months ended September 30, 2023, the loss on foreign currency transactions was approximately $1,810,000 as compared to a loss of approximately $3,230,000 for the three months ended September 30, 2022. The 2023 loss was directly related to the decrease in the spot exchange rate of the Euro to the U.S. dollar at September 30, 2023 as compared to June 30, 2023. The spot exchange rate of the Euro to the U.S. dollar was $1.06 per Euro at September 30, 2023, as compared to $1.09 per Euro at June 30, 2023. The 2022 loss was directly related to the decrease in the spot exchange rate of the Euro to the U.S. dollar at September 30, 2022 as compared to June 30, 2022. The spot exchange rate of the Euro to the U.S. dollar was $0.98 per Euro at September 30, 2022, as compared to $1.05 per Euro at June 30, 2022.
Comparison for the nine months ended September 30, 2023 and 2022:
Revenues:
Revenue from product sales was approximately $23,736,000 for the nine months ended September 30, 2023, as compared to approximately $21,718,000 for the nine months ended September 30, 2022, an increase of approximately $2,019,000, or 9%. Direct sales increased by approximately $716,000, or 6%. Distributor sales increased by approximately $1,303,000, or 15%. The increase in the average exchange rate of the Euro to the U.S. dollar positively impacted product sales for the nine months ended September 30, 2023 by approximately $404,000. For the nine months ended September 30, 2023, the average exchange rate of the Euro to the U.S. dollar was $1.08 as compared to an average exchange rate of $1.06 for the nine months ended September 30, 2022.
Grant income was approximately $3,945,000 for the nine months ended September 30, 2023 as compared to approximately $3,580,000 for the nine months ended September 30, 2022, an increase of approximately $364,000 or 10%. This increase is the result of the impact of new grants awarded during the nine months ended September 30, 2023.
Total revenues were approximately $27,681,000 for the nine months ended September 30, 2023, as compared to total revenues of approximately $25,298,000 for the nine months ended September 30, 2022, an increase of approximately $2,383,000, or 9%.
Cost of Revenues:
For the nine months ended September 30, 2023 and 2022, cost of revenue was approximately $10,600,000 and $10,322,000, respectively, an increase of approximately $278,000. Product cost of revenue was approximately $6,785,000 and $6,924,000, respectively, for the nine months ended September 30, 2023 and 2022, a decrease of approximately $139,000. The decrease in product cost of revenue was due to a reduction in the cost per device manufactured as we begin to realize production efficiencies at our new manufacturing facility in Princeton, New Jersey. Grant cost of revenue for the nine months ended September 30, 2023 was approximately $3,815,000 as compared to $3,398,000 for the nine months ended September 30, 2022, an increase of approximately $417,000. This increase in cost