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STOCK PLANS, Stock Options (Details) - Stock Options [Member]
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
$ / shares
shares
Jun. 30, 2017
USD ($)
$ / shares
shares
Stock options, number of shares [Roll Forward]    
Balance, beginning of period (in shares) | shares 250,594 227,549
Granted (in shares) | shares 0 60,520
Expired (in shares) | shares 0 (37,475)
Cancelled / Forfeited (in shares) | shares 0 0
Exercised (in shares) | shares 0 0
Balance, end of period (in shares) | shares 250,594 250,594
Exercisable (vested) at end of period (in shares) | shares 118,731 118,731
Stock options, weighted average exercise price [Roll Forward]    
Balance, beginning of period (in dollars per share) $ 7.72 $ 8.12
Granted (in dollars per share) 0 11.54
Expired (in dollars per share) 0 16.31
Cancelled / Forfeited (in dollars per share) 0 0
Exercised (in dollars per share) 0 0
Balance, end of period (in dollars per share) 7.72 7.72
Exercisable (vested) at end of period (in dollars per share) $ 6.03 $ 6.03
Stock options, additional disclosures [Abstract]    
Outstanding, aggregate intrinsic value | $ $ 1,063,197 $ 1,063,197
Exercisable (vested), aggregate intrinsic value | $ $ 705,811 $ 705,811
Outstanding, weighted average remaining contractual term 7 years 2 months 26 days 7 years 2 months 26 days
Exercisable (vested), weighted average remaining contractual term 5 years 5 months 16 days 5 years 5 months 16 days
Weighted average fair value of options granted (in dollars per share)   $ 2.78
Unrecognized compensation related to non-vested stock options | $ $ 285,000 $ 285,000
Unrecognized compensation cost, period for recognition   2 years 11 months 8 days
Recognized compensation cost | $   $ 53,000
Weighted average assumptions used in valuation [Abstract]    
Risk-free interest rate 0.00% [1] 1.89%
Expected dividend yield 0.00% [1] 0.00%
Expected life 0 years [1] 5 years
Expected price volatility 0.00% [1] 22.88%
[1] There were no stock options granted during the three months ended June 30, 2017.