SHARE-BASED COMPENSATION, STOCK OPTIONS, AND RESTRICTED SECURITIES (Tables)

6 Months Ended

Jun. 30, 2020

SHARE-BASED COMPENSATION, STOCK OPTIONS, AND RESTRICTED SECURITIES

Schedule of stock-based compensation

Stock-based compensation recognized was classified in the consolidated statements of operations as follows:

(In thousands)	Three Months Ended June 30, 2020		Three Months Ended June 30, 2019		Six Months Ended June 30, 2020			Six Months Ended June 30, 2019
Research and development	$	7	$	26	$	27	$	50
General and administrative		38		42		88		85
Total	$	45	$	68	$	115	$	135

Schedule of assumptions used principally in determining the fair value of options granted

The assumptions used principally in determining the fair value of options granted during the three and six months ended June 30, 2019 were as follows:

	June 30,
	2019
Risk-free interest rate	2.55%
Expected dividend yield	0%
Expected term (employee grants)	6 Years
Expected volatility	105%

Summary of option activity

				Weighted
		Weighted		Average
		Average		Remaining	Aggregate
		Exercise		Contractual	Intrinsic
Options	Shares	Price		Term in Years	Value
Outstanding at December 31, 2019	4,187	$	1,077.78	8.17		$	—
Granted	—	$	—
Expired	—	$	—
Cancelled/Forfeited	—	$	—
Outstanding at June 30, 2020	4,187	$	1,077.78	7.65			—
Vested and Exercisable at June 30, 2020	2,061	$	2,022.20	6.83			—

Summary of restricted stock unit activity

		Weighted-Average
Restricted Securities	Number of Grants	Grant Date Fair Value
Unvested balance at December 31, 2019	7,086	$	33.78
Granted	—	$
Vested	(50)	$
Unvested balance at June 30, 2020	7,036	$	29.34