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Net Loss per Share (Tables)
6 Months Ended
Jun. 30, 2020
Net Loss per Share  
Summary of anti-dilutive securities

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Six Months Ended June 30, 

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2020

    

2019

    

Restricted common stock

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126,646

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480,663

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Warrant

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7,614

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7,614

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Stock options

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3,491,671

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2,423,561

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3,625,931

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2,911,838

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