Lightwave Logic Inc (LWLG)

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You should read what LWLG says about liabilities:

"During the year ended December 31, 2018, net cash used in operating activities was $4,400,965 and net cash used in investing activities was $1,432,363, which was due primarily to the Company’s research and development activities and general and administrative expenditures. Net cash provided by financing activities for the year ended December 31, 2018 was $4,525,626. At December 31, 2018, our cash and cash equivalents totaled $2,174,625, our assets totaled $5,251,264, our liabilities totaled $344,202, and we had stockholders’ equity of $4,907,062."

https://www.sec.gov/Archives/edgar/data/1325964/000155335019000222/lwlg_10k.htm