Analytics software maker Alteryx reported first quarter revenue and operating income that beat Wall Street expectations.

The Irvine company posted sales of $42.8 million, up 50% from the same period a year ago and topping a Yahoo Finance analyst consensus of $39.8 million. It posted an operating loss of $600,000, or $0.01 per share, compared to a loss of $3.6 million a year earlier, or $0.08 per share.

Analysts on average were targeting a loss of $0.07 per share.

The company ended the first quarter with 3,673 customers, up 43% from the same period a year ago.

Alteryx’ customers pay a subscription fee for its analytics software to integrate data, monetize content, forecast sales, map out retail expansion plans, and compare sales and product placement, among other features.

The company provided revenue guidance for the current quarter in line with expectations and operating income just above estimates.

It projects revenue of $41 million to $42 million this quarter and an operating loss of $6 million to $7 million, or $0.10 to $0.11 per share.

Yahoo analysts forecast an operating loss of $0.12 per share.

Alteryx reported after the close of regular trading. Its shares are down 6.5% in afterhours trading, with a market cap of about $2.1 billion.