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2. Liquidity (Details Narrative) (USD $)
 6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2011
Dec. 31, 2010
Liquidity Details Narrative        
Cash and cash equivalents $ 63,361 $ 644,365 $ 924,391 $ 1,009,996
Increase in accounts receivable 497,000      
Decrease in cash (581,004)      
Increase in bank debt 526,000      
Working capital 3,300,000 3,600,000    
Current ratio 2.9 3.5    
No of employees 32   37  
Asset-based bank line of credit $ 1,000,000