Convertible Stock and Warrants (Tables)

6 Months Ended

Jun. 30, 2018

The following table summarizes the Company’s convertible preferred stock as of June 30, 2018 (in thousands, except share data):



	Shares Authorized	Shares Issued and Outstanding	Carrying Value at June 30, 2018		Liquidation Preference

Series A preferred	9,374,101	9,374,101	$	8,956	$	4,689
Series B preferred	7,868,856	7,868,856	11,941		11,998
Series C preferred	5,979,069	5,979,069	44,928		45,000
Series D preferred	6,443,830	6,443,831	102,648		103,907
Series E preferred	9,486,398	9,486,398	198,264		167,767
Series F preferred	14,597,248	13,885,893	376,962		385,750
Series G preferred	26,712,107	18,702,014	722,142		722,646
	80,461,609	71,740,162	$	1,465,841	$	1,441,757

Schedule of Preferred Stock Warrant Activity and Warrants Outstanding

The following table summarizes the warrants outstanding, together with their respective fair values (in thousands, except warrants outstanding):



	June 30, 2018			December 31, 2017
	Warrants Outstanding	Fair Value of Warrants		Warrants Outstanding	Fair Value of Warrants

Series F	581,182	$	2,327	581,182	$	8,378
Series G	279,606	42		279,606	1,447
	860,788	$	2,369	860,788	$	9,825

- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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