Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE STOCK OPTIONS AND RESTRICTED STOCK AWARD PLAN - Status of Restricted Stock Grants (Details)

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EMPLOYEE STOCK OPTIONS AND RESTRICTED STOCK AWARD PLAN - Status of Restricted Stock Grants (Details) - Restricted Stock - $ / shares
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Restricted stock, Outstanding at beginning of the year 1,341,889 878,360
Restricted stock, Granted 0 20,400
Restricted stock, Forfeited or rescinded (9,200) (5,940)
Restricted stock, Vested (5,980) (900)
Restricted stock, Outstanding at end of year 1,326,709 891,920
Weighted-Average Grant Date Fair Value, Outstanding at beginning of the year $ 4.94 $ 7.36
Weighted-Average Grant Date Fair Value, Granted 0 4.59
Weighted-Average Grant Date Fair Value, Forfeited or rescinded 3.97 6.88
Weighted-Average Grant Date Fair Value, Vested 5.96 11.40
Weighted-Average Grant Date Fair Value, Outstanding at end of year $ 4.99 $ 7.30