12. Related Party Transactions

The Company’s revenues are derived primarily from investment advisory agreements with related parties. Under these agreements, the Company has licensed to related parties the use of certain of its own indexes for the U.S. and Canadian WisdomTree ETFs and WisdomTree UCITS ETFs. The Board of Trustees and Board of Directors of the related parties are primarily responsible for overseeing the management and affairs of the U.S. and Canadian WisdomTree ETFs, Boost ETPs and WisdomTree UCITS ETFs for the benefit of their shareholders and have contracted with the Company to provide for general management and administration services. The Company is also responsible for certain expenses of the related parties, including the cost of transfer agency, custody, fund administration and accounting, legal, audit, and other non-distribution services, excluding extraordinary expenses, taxes and certain other expenses, which is included in fund management and administration on the Company’s Consolidated Statements of Operations. In exchange, the Company receives fees based on a percentage of the ETF average daily net assets. The advisory agreements may be terminated by the related parties upon notice. Certain officers of the Company also provide general management oversight of the related parties; however, these officers have no material decision making responsibilities and primarily implement the decisions of the Board of Trustees and Board of Directors of the related parties.

The following table summarizes accounts receivable from related parties which are included as a component of Accounts receivable on the Company’s Consolidated Balance Sheets:


	March 31, 2018		December 31, 2017
Receivable from WTT	$	18,389	$	19,433
Receivable from BI and WTI		973		979
Receivable from WTCS		115		97
Receivable from WTAMC		103		87

Total	$	19,580	$	20,596

The following table summarizes revenues from advisory services provided to related parties:


	Three Months Ended
	March 31, 2018		March 31, 2017
Advisory services provided to WTT	$	55,201	$	50,456
Advisory services provided to BI and WTI		2,626		1,291
Advisory services provided to WTCS		317		570
Advisory services provided to WTAMC		311		81

Total	$	58,455	$	52,398

The Company also has investments in certain WisdomTree ETFs of approximately $463 and $1,691 at March 31, 2018 and December 31, 2017, respectively. Gains and losses for the three months ended March 31, 2018 and 2017 were insignificant.