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Bank Financing Arrangements (Details Narrative) (USD $)
 0 Months Ended 3 Months Ended 6 Months Ended
Oct. 12, 2011
Jun. 30, 2013
Jun. 30, 2013
Dec. 31, 2012
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%      
Debt reference rate Bank's Prime Rate      
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   792,692 792,692 479,647
Amount outstanding under international line of credit   352,361 352,361 331,039
Full amounts of domestic accounts receivable provided as collateral   1,253,446 1,253,446 777,987
Full amounts of international accounts receivable provided as collateral   499,128 499,128 464,731
Interest expense   32,800 59,827  
Accrued interest   $ 9,656 $ 9,656 $ 7,237