POWER OF ATTORNEY

October 1, 2014

KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned hereby authorizes
and designates JAMES N. STRAWBRIDGE as his or its true and lawful
attorney-in-fact (the "Attorney-in-Fact") to act for and on behalf of the
undersigned for the following purposes:

1.	To execute shareholder written consents, proxies, ballots and related
documents on behalf of the undersigned with respect to any corporation in which
such entity is a shareholder (each referred to herein as a "Corporation"), or to
represent the undersigned at a meeting of shareholders of any Corporation and to
vote the securities of any Corporation held by the undersigned at such meeting;


2.	To execute contracts and agreements, including, but not limited to, bank
accounts, brokerage accounts, stock powers, stock purchase agreements, and stock
sales agreements or such other documents as may be requested in order to effect
either the purchase or sale of securities on behalf of the undersigned;

3.	To prepare and file on behalf of the undersigned individually, or jointly
together, any and all reports, notices, communications and other documents
(including, but not limited to, reports on Schedule 13D, Schedule 13G, Form 13H,
Form 13-F, Form ADV, Form 3, Form 4 and Form 5) that the undersigned may be
required to file with the United States Securities and Exchange Commission
pursuant to the Securities Act of 1933, as amended (together with the
implementing regulations thereto, the "Act"), and the Securities Exchange Act of
1934, as amended (together with the implementing regulations thereto, the
"Exchange Act") (collectively, the "Reports"), with respect to the undersigned's
ownership of, or transactions in, securities of any entity whose securities are
beneficially owned (directly or indirectly) by the undersigned;

4.	To execute consents and agreements, including, but not limited to, limited
partner assignment agreements, nondisclosure agreements, and limited partnership
agreement amendments, or such other documents as may be requested on behalf of
the undersigned in the ordinary course of their operations; and

5.	To take such other actions on behalf of any of the undersigned as may be
necessary to effect acquired securities or corporate or regulatory filings or
other similar actions in the ordinary course of business of any of the
undersigned.  Each of the undersigned acknowledges that the Attorney-in-Fact, in
serving in such capacity at the request of the undersigned, is not hereby
assuming any of the undersigned's responsibilities to comply with state or
federal securities laws.

Each of the undersigned hereby grants to the Attorney-In-Fact full power and
authority to do and perform each and every act and thing whatsoever requisite,
necessary, and proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do excluding the power of substitution or revocation, and every act and
thing that such Attorney-in-Fact, shall lawfully do or cause to be done in
exercising the rights and powers herein granted is hereby ratified and
confirmed.

This Power of Attorney shall become effective on October 1, 2014 and is for a
period of ten (10) years, unless earlier revoked by the undersigned in a signed
writing delivered to the Attorney-in-Fact.

[SIGNATURES ON THE FOLLOWING PAGE.]


IN WITNESS WHEREOF, each of the undersigned has caused this Power of Attorney to
be executed as of the first date set forth above.


WORLDVIEW EQUITY I, L.L.C.

By: /s/ James Wei
Name: James Wei
Title:  Member

WORLDVIEW TECHNOLOGY PARTNERS IV, L.P.

By: Worldview Capital IV, L.P.
Its: General Partner
By: Worldview Equity I, L.L.C.
Its: General Partner

By: /s/ James Wei
Name: James Wei
Title:  Member

WORLDVIEW TECHNOLOGY INTERNATIONAL IV, L.P.

By: Worldview Capital IV, L.P.
Its: General Partner
By: Worldview Equity I, L.L.C.
Its: General Partner

By: /s/ James Wei
Name: James Wei
Title:  Member
	WORLDVIEW CAPITAL IV, L.P.

By: Worldview Equity I, L.L.C.
Its: General Partner

By: /s/ James Wei
Name: James Wei
Title:  Member

WORLDVIEW MANAGEMENT CORP.


By: /s/ James Wei
Name: James Wei
Title:  Chief Executive Officer

WORLDVIEW STRATEGIC PARTNERS IV, L.P.

By: Worldview Capital IV, L.P.
Its: General Partner
By: Worldview Equity I, L.L.C.
Its: General Partner

By: /s/ James Wei
Name: James Wei
Title:  Member