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EQUITY, SHARE-BASED COMPENSATION AND WARRANTS, Common Stock Issued under Equity Incentive Plans (Details) - $ / shares
3 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Mar. 08, 2019
Common Stock Issued under Equity Incentive Plans [Abstract]              
Grant date fair value per share (in dollars per share)             $ 3.00
Common Stock [Member]              
Common Stock Issued under Equity Incentive Plans [Abstract]              
Shares issued (in shares) 22,632 134,984 36,881 7,188 208,829 78,377  
Common Stock [Member] | Consultant [Member]              
Common Stock Issued under Equity Incentive Plans [Abstract]              
Shares issued (in shares) 7,342 16,873 5,994 7,188 0 27,908  
Grant date fair value per share (in dollars per share) $ 2.69 $ 2.86 $ 3.48 $ 2.83   $ 1.42  
Vesting period 0 years 1 year 0 years 0 years   0 years  
Common Stock [Member] | Directors [Member]              
Common Stock Issued under Equity Incentive Plans [Abstract]              
Shares issued (in shares) 15,290 118,111 30,887 0 208,829 50,469  
Grant date fair value per share (in dollars per share) $ 2.82 $ 2.86 $ 3.22   $ 1.78 $ 1.38  
Vesting period 10 months 24 days 1 year 1 year   1 year 1 year