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Bank Financing Arrangements (Details Narrative) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Dec. 31, 2011
Oct. 12, 2011
Notes to Financial Statements        
Aggregate maximum advance amount       $ 2,500,000
Maximum advance amount based on qualified domestic receivables       1,500,000
Maximum advance amount based on qualified international receivables       1,000,000
Advanced rate of domestic qualified non-distributor receivables       80.00%
Advanced rate of domestic qualified distributor receivables       60.00%
Advanced rate of international qualified non-distributor receivables       90.00%
Advanced rate of international qualified distributor receivables       70.00%
Basis point added to reference rate of debt (as a percent)       1.00%
Minimum interest rate on debt (as a percent)       5.00%
Interest rate in effect (as a percent)       5.00%
Monthly collateral handling fee (as a percent of financed receivable balance outstanding)       0.25%
Minimum liquidity ratio (quick assets divided by line of credit balance)       2.0
Amount outstanding under domestic line of credit 586,572 586,572 921,621  
Amount outstanding under international line of credit 310,843 310,843 187,979  
Full amounts of domestic accounts receivable provided as collateral 959,012 959,012 1,481,039  
Full amounts of international accounts receivable provided as collateral 439,160 439,160 266,006  
Interest expense 26,056 55,549    
Accrued interest $ 5,127 $ 5,127 $ 10,477