Income Taxes (Tables)

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Summary of Deferred Tax Assets Recorded

A summary of the components of the Company’s deferred tax assets at June 30, 2018 and December 31, 2017 are as follows:

	June 30, 2018			December 31, 2017
Deferred tax assets:
NOLs – Foreign	$	5,137		$	3,841
Stock-based compensation		2,034			1,474
Deferred rent liability		1,233			1,257
NOLs – U.S.		779			909
Accrued expenses		1,410			526
Other		298			488
Deferred tax assets		10,891			8,495
Deferred tax liabilities:
Unrealized gains		1,718			1,718
Fixed assets		1,527			1,498
Goodwill and intangible assets		485			388
Deferred tax liabilities		3,730			3,604
Total deferred tax assets less deferred tax liabilities		7,161			4,891
Less: valuation allowance		(5,137	)		(3,841	)
Deferred tax assets, net	$	2,024		$	1,050

Schedule of Changes in Balance of Gross Unrecognized Tax Benefits

The table below sets forth the aggregate changes in the balance of gross unrecognized tax benefits:

	Total			Unrecognized Tax Benefits			Interest and Penalties
Balance on January 1, 2018	$	—		$	—		$	—
Accrued in connection with the ETFS Acquisition		30,466			25,631			4,835
Increases		37			—			37
Foreign currency translation(1)		(2,164	)		(1,820	)		(344	)
Balance at June 30, 2018	$	28,339		$	23,811		$	4,528

(1) The gross unrecognized tax benefits were accrued in British pounds sterling.