Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Schedule of Activity of Warrants) (Details)

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STOCKHOLDERS' EQUITY (Schedule of Activity of Warrants) (Details) - $ / shares
 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Number of Warrants    
Outstanding at beginning of period 163,010 160,143
Outstanding at end of period 411,898 154,429
Exercisable at end of period 212,832 145,857
Weighted Avg. Exercise Price    
Outstanding at beginning of period $ 14.00 $ 14.00
Warrants expired 14.00  
Outstanding at end of period 5.13 14.00
Exercisable at end of period $ 5.76 $ 14.00
Remaining Contractual Life (Years)    
Outstanding at end of period 4 years 7 months 6 days 3 years 4 months 24 days
Exercisable at end of period 4 years 6 months 3 years 4 months 24 days
Warrant [Member]    
Number of Warrants    
Outstanding at beginning of period 1,521,250 1,815,181
Warrants expired, forfeited, cancelled or exercised (10,647) (327,612)
Warrants issued 76,950  
Outstanding at end of period 1,587,553 1,487,570
Exercisable at end of period 1,587,553 1,487,570
Weighted Avg. Exercise Price    
Outstanding at beginning of period $ 8.78 $ 9.52
Warrants issued 9.00  
Outstanding at end of period 8.69 8.78
Exercisable at end of period $ 8.69 $ 8.78
Remaining Contractual Life (Years)    
Outstanding at beginning of period 3 years 3 years 10 months 25 days
Warrants issued 2 years 7 months 6 days  
Outstanding at end of period 2 years 2 months 12 days 2 years 9 months 18 days
Exercisable at end of period 2 years 2 months 12 days 2 years 9 months 18 days