General and administrative
Three months ended June 30, 2022 compared to three months ended June 30, 2021:
General and administrative expenses increased by $7.8 million, or 38%, from $20.6 million in the three months ended June 30, 2021 to $28.4 million in the same period in 2022, primarily due to costs related to increased hiring of corporate resources, audit and accounting fees, as well as consulting fees related to the ongoing SOX requirements. In the three months ended June 30, 2022, general and administrative expenses included $6.2 million related to the HOA, RWS, AHP, Floify and Rynoh, and additional investment in corporate resources and systems, as well as SOX implementation. In addition, during the three months ended June 30, 2022, loss on revaluation of contingent consideration of $1.5 million was $0.9 million higher than during the three months ended June 30, 2021.
Also, stock-based compensation expense for the three months ended June 30, 2022 was $3.2 million higher than in the same period in 2021.
Six months ended June 30, 2022 compared to six months ended June 30, 2021:
General and administrative expenses increased by $10.5 million, or 23% from $44.6 million in the six months ended June 30, 2021 to $55.1 million in the same period in 2022. The increase is primarily due to costs related to increased hiring of corporate resources, audit and accounting fees, as well as consulting fees related to the ongoing SOX requirements. In the six months ended June 30, 2022, general and administrative expenses included $12.4 million related to the HOA, RWS, AHP, Floify and Rynoh. Additional investment in corporate resources and systems, and SOX implementation also contributed to the increase. In addition, during the six months ended June 30, 2022, loss on revaluation of contingent consideration of $3.2 million was $4.5 million higher than during the six months ended June 30, 2021. This was offset by stock-based compensation expense for the six months ended June 30, 2022, which was $5.1 million lower than in the same period in 2021.
Interest expense, net
Three months ended June 30, 2022 compared to three months ended June 30, 2021:
Interest expense increased by $0.7 million, or 53%, from $1.2 million in the three months ended June 30, 2021 to $1.9 million in the same period in 2022. This was primarily due to issuance of $425 million of Convertible Senior Notes in September 2021, that in part was used to pay off the $42.1 million of Senior Secured Term Loans that were outstanding at June 30, 2021. The total level of interest-bearing debt balance was $425.6 million at January 1, 2022 and $50.8 million at January 1, 2021 and this higher outstanding debt balance was the primary reason for the increased interest expense.
Six months ended June 30, 2022 compared to six months ended June 30, 2021:
Interest expense increased by $1.8 million, or 75% from $2.4 million in the six months ended June 30, 2021 to $4.2 million in the same period in 2022. This was primarily due to issuance of $425 million of Convertible Senior Notes in September 2021, that in part was used to pay off the $42.1 million of Senior Secured Term Loans that were outstanding at June 30, 2021. The higher outstanding debt balance was the primary reason for the increased interest expense.
Change in fair value of earnout liability
Three months ended June 30, 2022 compared to three months ended June 30, 2021:
Changes in fair value of earnout liability were $2.6 million (gain) and $4.0 million (loss) in the three months ended June 30, 2022 and 2021, respectively. The decrease in fair value was primarily due to the decline in the stock price at June 30, 2022 as compared to June 30, 2021.