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STOCK-BASED COMPENSATION PLANS (Summary of Stock Option Activity) (Details) - Employee Stock Option [Member] - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Shares    
Outstanding at beginning of period 1,692,500 1,372,000
Granted 350,000 362,500
Forfeited 0 (30,500)
Exercised 0 0
Expired or terminated (4,000) (11,500)
Outstanding at end of year 2,038,500 1,692,500
Vested at end of year 1,212,500 844,500
Nonvested at end of year 826,000 848,000
Weighted Average Exercise Price    
Outstanding at beginning of period $ 0.44 $ 0.50
Granted 0.26 0.39
Forfeited   2.03
Expired or terminated 5.34 2.87
Outstanding at end of year 0.40 0.44
Vested at end of year 0.52 0.70
Nonvested at end of year 0.21 0.18
Weighted average fair value per share of options issued during the year $ 0.26 $ 0.26
Aggregate Intrinsic Values    
Outstanding at end of year $ 100,550 $ 80,000
Vested at end of year 60,550 32,000
Nonvested at end of year $ 40,000 $ 48,000