Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Stock Option Award Activity) (Details)

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STOCK-BASED COMPENSATION (Stock Option Award Activity) (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Number of Options outstanding      
Outstanding at the beginning of the year (in shares) 1,255,280 1,082,490  
Granted (in shares) 154,500 252,500  
Exercised (in shares) 0    
Canceled/Forfeited (in shares) (69,528) (75,018)  
Outstanding at the end of the reporting period (in shares) 1,340,252 1,255,280 1,082,490
Number of Options Exercisable      
Exercisable at the beginning of the year (in shares) 843,019 704,303  
Vested (in shares) (178,732) (161,404)  
Canceled/Forfeited (in shares) (32,659) (17,996)  
Exercisable at the end of the reporting period (in shares) 989,092 843,019 704,303
Weighted Average Exercise Price Outstanding      
Outstanding at the beginning of period (in dollars per share) $ 4.82 $ 4.87  
Granted (in dollars per share) 2.61 4.54  
Exercised (in dollars per share) 0.00    
Forfeited (in dollars per share) 4.72 4.72  
Outstanding at the end of the reporting period (in dollars per share) 4.57 4.82 $ 4.87
Weighted Average Exercise Price Exercisable      
Exercisable at the beginning of the reporting period (in dollars per share) 5.02 5.08  
Vested exercisable (in dollars per share) 3.98 4.69  
Canceled/Forfeited (in dollars per share) 4.55 4.72  
Exercisable at the end of the reporting period (in dollars per share) 4.85 5.02 5.08
Weighted Average Grant Date Fair Value Outstanding      
Outstanding at the beginning of the reporting period (in dollars per share) 3.03 3.00  
Options granted (in dollars per share) 1.76 3.09  
Exercised (in dollars per share) 0.00    
Forfeited (in dollars per share) 3.03 2.89  
Outstanding at the end of the reporting period (in dollars per share) 2.88 3.03 3.00
Weighted Average Grant Date Fair Value Exercisable      
Exercisable at the beginning of the reporting period (in dollars per share) 3.13 3.17  
Vested options exercisable (in dollars per share) 2.52 2.89  
Forfeited options exercisable (in dollars per share) 2.81 2.84  
Exercisable at the end of the reporting period (in dollars per share) $ 3.03 $ 3.13 $ 3.17
Weighted Average Remaining Life In Years Outstanding      
Outstanding at the end of the reporting period (in years)   7 years 9 months 8 years 4 months 17 days
Granted, Weighted average remaining life (in years)   9 years 1 month 28 days  
Weighted Average Remaining Life Exercisable      
Exercisable at the end of the reporting period (in years)   7 years 2 months 23 days 8 years 1 month 24 days
Vested, Weighted average remaining live (in years)   7 years 6 months 22 days  
Non-Vested Restricted Stock Unit Awards      
Number of Options outstanding      
Granted (in shares) 154,500 252,500  
Exercised (in shares)   (4,692)  
Outstanding at the end of the reporting period (in shares) 1,340,252    
Number of Options Exercisable      
Exercisable at the end of the reporting period (in shares) 989,092    
Weighted Average Exercise Price Outstanding      
Exercised (in dollars per share)   $ 2.10  
Weighted Average Grant Date Fair Value Outstanding      
Exercised (in dollars per share)   $ 1.75  
Weighted Average Remaining Life In Years Outstanding      
Outstanding at the end of the reporting period (in years) 6 years 11 months 12 days 7 years 9 months  
Granted, Weighted average remaining life (in years) 9 years 5 months 9 days    
Weighted Average Remaining Life Exercisable      
Exercisable at the end of the reporting period (in years) 6 years 4 months 13 days 7 years 2 months 23 days  
Vested, Weighted average remaining live (in years) 7 years 18 days