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Stock-Based Compensation - Summary of Restricted Stock Activity (Details) - Restricted Stock [Member]
6 Months Ended
Jun. 30, 2019
$ / shares
shares
Nonvested Restricted Stock Outstanding, Beginning balance | shares 30,000
Nonvested Restricted Stock, Granted | shares
Nonvested Restricted Stock, Vested | shares (15,000)
Nonvested Restricted Stock, Forfeited | shares (15,000)
Nonvested Restricted Stock Outstanding, Ending balance | shares
Weighted Average Grant Date Fair Value Per Share, Beginning balance | $ / shares $ 7.03
Weighted Average Grant Date Fair Value Per Share, Granted | $ / shares
Weighted Average Grant Date Fair Value Per Share, Vested | $ / shares 7.03
Weighted Average Grant Date Fair Value Per Share, Forfeited | $ / shares 7.03
Weighted Average Grant Date Fair Value Per Share, Ending balance | $ / shares