Stock Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2020

Stock Based Compensation

Summary of incentive plan activity

				Weighted		Weighted Average
	Shares	Stock		Average		Remaining	Aggregate
	Available	Options	RSUs	Stock Option		Contractual Life	Intrinsic
(in thousands, except share and per share data)	for Grant	Outstanding	Outstanding	Exercise Price		(Years)	Value*
Outstanding at December 31, 2019	479,829	3,902,675	5,613	$	5.20	9.56	$	—
Additional shares authorized	786,229	—	—		—	—		—
Options granted	(853,318)	853,318	—		0.45	—		—
Options canceled	297,559	(297,559)	—		3.75	—		—
Options canceled not rolled back into the 2013 Plan	—	(15)	—		—	—		—
Outstanding at June 30, 2020	710,299	4,458,419	5,613	$	4.39	9.12	$	31
Exercisable at June 30, 2020		1,549,977		$	9.31	8.85	$	—
Vested and expected to vest at June 30, 2020		4,030,402		$	4.71	9.10	$	28

*Fair market value of JAGX common stock on June 30, 2020 was $0.485 per share.

Summary of stock-based compensation expense

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
(in thousands)	(unaudited)				(unaudited)
Research and development expense	$	203	$	149	$	405	$	216
Sales and marketing expense		57		12		113		46
General and administrative expense		489		285		991		611
Total	$	749	$	446	$	1,509	$	873

Employee stock options

Stock Based Compensation

Schedule of estimated grant-date fair value of stock options calculated using the Black-Scholes option-pricing model

	Six Months Ended
	June 30,
	2020		2019
	(unaudited)
Weighted-average volatility	150.1 - 172.4	%	108.3 - 108.5	%
Weighted-average expected term (years)	5.0		5.8
Risk-free interest rate	0.3 - 0.5	%	2.5 - 2.6	%
Expected dividend yield	—		—