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Stock-Based Compensation - Restricted Stock Unit Activity (Details) - Incentive Plan - Restricted Stock
9 Months Ended
Sep. 30, 2019
$ / shares
shares
Shares (in shares)  
Beginning balance (in shares) | shares 1,110,277
Granted (in shares) | shares 228,135
Forfeited (in shares) | shares 0
Vested (in shares) | shares (17,777)
Ending balance (in shares) | shares 1,320,635
Weighted Average Grant Date Fair Value (in Dollars per share)  
Beginning balance (in dollars per share) | $ / shares $ 1.21
Granted (in dollars per share) | $ / shares 1.52
Forfeited (in dollars per share) | $ / shares 0.00
Vested (in dollars per share) | $ / shares 1.59
Ending balance (in dollars per share) | $ / shares $ 1.26