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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2019
Equity [Abstract]  
Schedule of Stock Options and Warrants Activity
The following table summarizes the activity for stock options and warrants for the year ended December 31, 2019:
 
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, 2018
1,018,530

 
$
30.50

 
5.30
 
$
3.3

 
30,000

 
$
5.90

 
4.19
 
$
—

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Changes during the Year:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Granted
209,346

 
$
4.86

 
 
 
 
 
—

 
$
—

 
 
 
 
Exercised
(240
)
 
$
3.54

 
 
 
 
 
—

 
$
—

 
 
 
 
Forfeited
(2,625
)
 
$
4.63

 
 
 
 
 
—

 
$
—

 
 
 
 
Expired
(180,594
)
 
$
71.92

 
 
 
 
 
—

 
$
—

 
 
 
 
Outstanding at December 31, 2019
1,044,417

 
$
18.31

 
6.06
 
$
—

 
30,000

 
$
5.89

 
3.19
 
$
—

Vested at December 31, 2019 or expected to vest in the future
1,028,387

 
$
18.52

 
6.01
 
$
—

 
30,000

 
$
5.89

 
3.19
 
$
—

Exercisable at December 31, 2019
804,407

 
$
22.41

 
5.26
 
$
—

 
30,000

 
$
5.89

 
3.19
 
$
—
Schedule of Restricted Stock
During the years ended December 31, 2019 and 2018, the Company issued restricted stock for services as follows ($ in thousands, except share data):
 
 
 
2019
 
2018
Number of Restricted Stock Issued
123,564

 
91,740

Value of Restricted Stock Issued
$
611.6

 
$
347.7
Schedule of Restricted Stock Units
During the years ended December 31, 2019 and 2018, the Company issued restricted stock units for services as follows ($ in thousands, except share data):
 
 
 
2019
 
2018
Number of Restricted Stock Units Issued
184,454

 
139,497

Value of Restricted Stock Units Issued
$
908.6

 
$
711.9