Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

Schedule of Stock Option Activity

The following table summarizes the activity for stock options and warrants for the nine months ended September 30, 2020:

	Stock Options						Warrants
	Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (In Thousands)		Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (In Thousands)
Outstanding at December 31, 2019	1,044,417	$	18.31	6.06	$	—	30,000	$	5.89	3.19	$	—
Changes during the period:
Granted	245,776	3.22					2,608,355	2.14
Exercised	—	—					—	—
Forfeited	(44,150)	3.79					—	—
Expired	(140,635)	27.33					—	—
Outstanding at September 30, 2020	1,105,408	$	14.39	6.24	$	—	2,638,355	$	2.18	4.98	$	—
Vested at September 30, 2020 or expected to vest in the future	1,083,355	$	14.61	6.18	$	—	2,638,355	$	2.18	4.98	$	—
Vested at September 30, 2020	816,133	$	18.13	5.34	$	—	2,638,355	$	2.18	4.98	$	—

Nonvested Restricted Stock Shares Activity [Table Text Block]

During the nine months ended September 30, 2020 and 2019, the Company issued restricted stock for services as follows ($ in thousands):

	Nine Months Ended September 30,
	2020		2019
Number of restricted stock issued	156,184		123,564
Value of restricted stock issued	$	512	$	612

Schedule of Restricted Stock Units Activity

During the nine months ended September 30, 2020 and 2019, the Company issued restricted stock units for services as follows ($ in thousands, except share data):

	Nine Months Ended September 30,
	2020		2019
Number of restricted stock units issued	246,383		184,454
Value of restricted stock units issued	$	743	$	909