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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2020
Stockholders' Equity  
Schedule of Warrants Outstanding

Number

Weighted

of Shares

Average

Outstanding

Exercise

Average

Under

Price per

Contractual

Warrant

   

Share

   

Term (Years)

   

Warrants outstanding, December 31, 2019

1,600

$

4.61

5.44

Exercised

(475)

$

4.99

5.00

Warrants outstanding, June 30, 2020

1,125

$

4.46

5.44