EX-24
LIMITED POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Andrew S. Price his true and lawful attorney-in-fact, with full power
of substitution, to sign any and all instruments, certificates and documents
that may be necessary, desirable or appropriate to be executed on behalf of
himself as an individual or in his capacity as a direct or indirect general
partner, director, officer, member or manager of any partnership, corporation or
limited liability company, pursuant to section 13 or 16 of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and any and all
regulations promulgated thereunder, and to file the same, with all exhibits
thereto, and any other documents in connection therewith, with the Securities
and Exchange Commission, and with any other entity when and if such is mandated
by the Exchange Act or by the Financial Industry Regulatory Authority, granting
unto said attorney-in-fact full power and authority to do and perform each and
every act and thing necessary, desirable or appropriate, fully to all intents
and purposes as he might or could do in person, thereby ratifying and confirming
all that said attorney-in-fact, or his substitutes, may lawfully do or cause to
be done by virtue hereof.
Each of the undersigned may execute this power of attorney in separate
counterparts, and each counterpart shall be deemed to be an original instrument.
This agreement shall be effective as to each of the undersigned as of the date
signed by that signatory.
IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 10th day of
March, 2017.
/s/ Joseph A. Leimandt
--------------------------
Joseph A. Liemandt
