General and administrative expense
We had general and administrative expense of $1,478,000 for the three months ended June 30, 2020, a decrease of $92,000, or 6%, compared to $1,570,000 in the same period of the prior year. The decrease was primarily due to lower professional fees, partially offset by increased expenses to support a growing company, including higher infrastructure costs, insurance and other consultants’ fees. As a percentage of revenues, general and administrative expense increased to 23% in the second quarter of 2020, as compared to 20% in the prior year period.
Other income
We had other income of $30,000 for the three months ended June 30, 2020, compared to other income of $1,000 in the same period of the prior year. The increase was primarily due to miscellaneous income and interest income, partially offset by credit card merchant fees.
Pre-tax net income
For the foregoing reasons, we had pre-tax net income of $990,000, for the three months ended June 30, 2020, a decrease of $1,706,000, or 63%, compared to a pre-tax net income of $2,696,000 for the same period of the prior year.
Income tax expense (benefit)
We had income tax benefit of $85,000 for the three months ended June 30, 2020, compared to income tax expense of $77,000 in the same period of the prior year. The benefit was primarily due to discrete events that occurred during the quarter.
Net income
For the foregoing reasons, we had net income of $1,075,000, or $0.16 per basic share and $0.13 per diluted share, for the three months ended June 30, 2020, an decrease of $1,544,000, or 59%, compared to a net income of $2,619,000, or $0.41 per basic share and $0.32 per diluted share, for the same period of the prior year.
Six Months Ended June 30, 2020 Compared to Six Months Ended June 30, 2019
Revenues
We had revenues of $15,803,000 for the six months ended June 30, 2020, an increase of $1,089,000, or 7%, compared to $14,714,000 in the same period in 2019. Our revenues are primarily from fees charged to customers for use of our vascular testing products and from sale of accessories used with these products. We recognized revenues of $15,403,000 from fees for our vascular testing products for the six months ended June 30, 2020, an increase of $1,241,000 compared to $14,162,000 in the same period of the prior year, which is primarily due to an overall increase in our customer base with fixed-fee licenses, which offset the negative effects of the COVID-19 pandemic. Fixed-fee license revenues were approximately $12,411,000, an increase of $1,754,000, or 16%, variable-fee license revenues were approximately $2,992,000. The remainder of our revenues was from other items, such as the sale of equipment, supplies or accessories sales, which were $400,000 in the six months ended June 30, 2020, as compared to $552,000 in the same period of the prior year.
Revenues from fees for vascular testing products are recognized monthly for each unit installed with a customer, usually billed as a monthly fixed-fee or as a monthly variable-fee dependent on usage.
Operating expenses
We had total operating expenses of $11,392,000 for the six months ended June 30, 2020, an increase of $1,227,000 or 12%, compared to $10,165,000 in the same period in the prior year. The primary reason for this change was overall growth in our business, increased compensation of the sales team and increased headcount of field sales and technical support personnel to service the expanding number of customers, which offset the decrease in cost of revenues. As a percentage of revenues, operating expenses increased to 72% in the first half of 2020 as compared to 69% in the prior year period. The changes in the various components of our operating expenses are described below.