BioCardia Inc. closed its public offering of units with gross proceeds of $10 million.

The San Carlos, Calif.-based company sold 1,666,667 units at $6 per unit and gave underwriters an option to either buy up to 250,000 additional shares or 250,000 warrants or a combination of both.

Each unit consisted of a share of common stock and a share purchase warrant at an exercise price of $6.30 per share.

Maxim Group LLC acted as sole book-running manager, while Brookline Capital Markets LLC and Dawson James Securities Inc. acted as co-managers for the offering.