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INCOME TAXES (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Current tax provision      
Federal     $ 83,470
State $ 7,877 $ 8,177 7,502
Total current provision 7,877 8,177 90,972
Deferred tax provision      
Total income tax provision 7,877 8,177 $ 90,972
Tax benefits attributable to carryback losses for federal tax purposes 15,800,000    
Deferred tax assets      
Net operating loss carryforwards 5,979,717 4,704,612  
Credit for alternative minimum tax paid 201,773 201,773  
Accrued expenses and reserves 1,383,461 1,424,969  
Employee stock option expense 303,465 315,711  
Non-employee stock option expense 12,770 15,546  
Inventory 356,170 287,190  
Litigation proceeds subject to stipulation   2,929,640  
Deferred tax assets 8,237,356 9,879,441  
Deferred tax liabilities      
Property and equipment (485,384) (493,985)  
Deferred tax liabilities (485,384) (493,985)  
Net deferred assets 7,751,972 9,385,456  
Valuation allowance (7,751,972) (9,385,456)  
Increase (decrease) in valuation allowance $ (1,633,485) $ 807,790  
Reconciliation of income taxes based on the federal statutory rate and the effective income tax rate      
Income tax at the federal statutory rate (as a percent) 35.00% 35.00% 35.00%
State tax, net of federal tax (as a percent) 2.90% 2.90% 2.90%
Change in valuation allowance (as a percent) (37.80%) (34.30%) (39.30%)
Permanent differences (as a percent) 0.70% (0.70%) (0.30%)
Alternative minimum tax (as a percent)     (1.40%)
Other (as a percent) (0.60%) (3.20%) 1.60%
Effective tax rate (as a percent) 0.20% (0.30%) (1.50%)
Minimum      
Income tax examination      
State and local income tax returns, period subject to examination 3 years    
Maximum      
Income tax examination      
State and local income tax returns, period subject to examination 5 years