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RELATED PARTY TRANSACTIONS (Tables)
9 Months Ended
Sep. 30, 2019
Related Party Transactions [Abstract]  
Restricted Common Stock Activity
The following table summarizes the activity related to restricted common stock for the nine months ended September 30, 2019 and September 30, 2018:

Nine Months Ended September 30,
20192018
SharesWeighted Average Grant Date Fair Market ValueSharesWeighted Average Grant Date Fair Market Value
Outstanding Unvested Shares at Beginning of Period4,500  $3.40  4,500  $4.33  
Granted—  —  4,500  3.40  
Vested(4,500) 3.40  —  —  
Outstanding Unvested Shares at End of Period—  $—  9,000  $3.87