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Basis of Presentation (Details Narrative) (USD $)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Aug. 01, 2012
Dec. 31, 2010
Notes to Financial Statements              
Net loss $ (755,400) $ (392,177) $ (1,627,174) $ (1,320,437) $ (2,422,361)    
Accumulated deficit (58,831,273)   (58,831,273)   (57,204,099)    
Cash balances 612,394 1,015,230 612,394 1,015,230 957,022   460,833
Bank line of credit 897,415   897,415   1,109,600    
Total unused borrowing capacity 423,000   423,000        
Domestic unused borrowing capacity 117,000   117,000        
International unused borrowing capacity 306,000   306,000        
Current ratio (current assets divided by current liabilities) 0.6   0.6        
Working capital deficit (current assets less current liabilities) 2,661,750   2,661,750        
Convertible subordinate notes proceeds           $ 400,000