Stock Incentive Plans (Tables)

3 Months Ended

Mar. 31, 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
	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	286,229	—	—		—	—
Options granted	(810,000)	810,000	—		0.45	—		—
Options canceled	204,639	(204,639)	—		3.40	—		—
Options canceled not rolled back into the 2013 Plan	—	(15)	—		—	—		—
Outstanding at March 31, 2020	160,697	4,508,021	5,613	$	4.43	9.34	$	27,832
Exercisable at March 31, 2020		1,230,522		$	11.01	8.94	$	—
Vested and expected to vest at March 31, 2020		3,968,171		$	4.83	9.32	$	—

*Fair market value of JAGX common stock on March 31, 2020 was $0.48 per share.

Summary of stock-based compensation expense

	Three Months Ended
	March 31,
	2020		2019
(in thousands)	(unaudited)
Research and development expense	$	202	$	67
Sales and marketing expense		56		34
General and administrative expense		502		326
Total	$	760	$	427

Employee stock options

Stock Based Compensation

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

	Three Months Ended
	March 31,
	2020		2019
	(unaudited)
Weighted-average volatility	150.1	%	108.3 - 108.5	%
Weighted-average expected term (years)	5.0		5.8
Risk-free interest rate	0.5	%	2.5 - 2.6	%
Expected dividend yield	—		—