PROPERTY AND EQUIPMENT (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Cost:    
Property, Plant and Equipment, Gross $ 1,256 $ 1,166
Accumulated depreciation:    
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 1,009 852
Depreciated cost 247 314
Office Equipment [Member]
   
Cost:    
Property, Plant and Equipment, Gross 9 9
Accumulated depreciation:    
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 4 4
Computer Equipment [Member]
   
Cost:    
Property, Plant and Equipment, Gross 120 106
Accumulated depreciation:    
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 106 103
Laboratory Equipment [Member]
   
Cost:    
Property, Plant and Equipment, Gross 437 361
Accumulated depreciation:    
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 306 252
Land Improvements [Member]
   
Cost:    
Property, Plant and Equipment, Gross 690 690
Accumulated depreciation:    
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 593 $ 493