The PCR-based test detects Bordetella pertussis, the infectious agent that causes whooping cough, directly from patient samples.
The firm also reported that preliminary full-year 2016 revenues improved 42 percent year over year.
The firm has asked the SEC to withdraw a registration statement for a previously planned $8 million equity financing, saying it no longer needs the financing.
The company also increased its number of authorized shares of common stock to 1.5 billion shares from 200 million shares.
The approval from the firm's shareholders and board comes after Great Basin moved its stock to the Over-the-Counter market in October.
The two-hour test requires about two minutes of hands-on time to detect multiple pathogens from stool samples.