Gross margin for the three months ended March 31, 2023, was 82.7% compared to 83.1% for the three months ended March 31, 2022.
Operating Expenses
Selling, general and administrative expenses for the three months ended March 31, 2023, were $52.3 million compared to $49.6 million for the three months ended March 31, 2022. The increase primarily reflects higher commissions associated with increased sales.
Research and development expenses were $6.5 million for the three months ended March 31, 2023 compared to $6.0 million for the three months ended March 31, 2022. The increase was primarily driven by higher costs associated with the initiation of our knee osteoarthritis (“KOA”) clinical trial program.
Investigation, restatement and related expenses for the three months ended March 31, 2023 were $3.7 million compared to $2.6 million for the three months ended March 31, 2022.
Net loss for the three months ended March 31, 2023, was $5.0 million compared to a net loss of $10.5 million for the three months ended March 31, 2022.
Cash and Cash Equivalents
As of March 31, 2023, the Company had $61.2 million of cash and cash equivalents compared to $66.0 million as of December 31, 2022. The decrease during the quarter ended March 31, 2023 reflects continued investments in working capital and seasonal employee compensation expenses.
Financial Goals
The Company continues to believe the business is capable of delivering sales growth in the low double-digits as a percentage annually, driven by continued uptake of new products, solid demand across its sites of service and ramping contributions from sales in Japan.
As previously communicated, the Company has goals to achieve a Wound & Surgical segment contribution margin at or above 30% of segment net sales and corporate expenses as a percentage of sales below 20%.