The following table shows our non-IFRS measure, Free Cash Flow, reconciled to Adjusted EBITDA for the following periods (in $thousands):
| | | | | | | | | | | |
| Three months | | Three months | | Six months | | Six months |
| ended March 31, | | ended March 31, | | ended March 31, | | ended March 31, |
| 2024 | | 2023 | | 2024 | | 2023 |
Adjusted EBITDA | $ | 14,896 | | $ | 13,098 | | $ | 30,237 | | $ | 22,094 |
Purchase of property and equipment | | (1,185) | | | (3,636) | | | (2,756) | | | (4,937) |
Additions to equipment loans | | (6,430) | | | (8,695) | | | (12,207) | | | (12,269) |
Repayments of leases | | (1,426) | | | (1,104) | | | (2,897) | | | (1,953) |
Free Cash Flow | $ | 5,855 | | $ | (337) | | $ | 12,377 | | $ | 2,935 |
Revenue
For the three months ended March 31, 2024, revenue totaled $63,954,000, an increase of $5,834,000, or 10.0%, from the three months ended March 31, 2023. The acquisition the Company made in September 2023 contributed approximately $2,500,000 and organic growth contributed approximately $3,300,000, or 5.7%. Sales of medical equipment and supplies remained relatively stable at 57.2% of total revenues for the three months ended March 31, 2024 compared to 57.8% of total revenues for the three months ended March 31, 2023.
For the six months ended March 31, 2024, revenue totaled $129,318,000, an increase of $30,383,000, or 30.7%, from the six months ended March 31, 2023. This increase is primarily due to approximately $24,000,000 from the two acquisitions that the Company has made since December 2022, the most notable of which was Great Elm Healthcare, LLC (“Great Elm”) on January 3, 2023. Organic growth contributed the balance of the increase of approximately $6,400,000, or 6.5%. Sales of medical equipment and supplies increased slightly to 57.7% of total revenues for the six months ended March 31, 2024 from 56.6% of total revenues for the six months ended March 31, 2023, due to the mix of revenue contributed by the acquisitions and the growth in the resupply business.
Inventory sold
For the three months ended March 31, 2024, inventory sold totaled $16,669,000 as compared to $14,909,000 for the three months ended March 31, 2023. The increase in dollars was due to the growth in revenue, and the slight increase as a percentage of revenue was primarily due to inflation.
For the six months ended March 31, 2024, inventory sold totaled $34,567,000 as compared to $24,983,000 for the six months ended March 31, 2023. The increase in dollars was due to the growth in revenue. The increase as a percentage of revenue was primarily due to the higher mix of sales of medical equipment and supplies as a percentage of total revenues, and inflation.
Operating expenses
For the three months ended March 31, 2024, operating expenses were $30,696,000, an increase of $3,010,000 from the three months ended March 31, 2023. Acquisitions accounted for approximately $1,100,000 of the increase, and $1,021,000 of professional fees related to the CID. Remaining increases related primarily to payroll.
For the six months ended March 31, 2024, operating expenses were $60,503,000, an increase of $13,355,000 from the six months ended March 31, 2023. Acquisitions accounted for approximately $9,300,000 of the increase, and $1,482,000 of professional fees related to the CID. Remaining increases related primarily to payroll.