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Bank Financing Arrangements (Details Narrative) (USD $)
 0 Months Ended 3 Months Ended 12 Months Ended
Mar. 07, 2014
Feb. 27, 2014
Oct. 12, 2011
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Notes to Financial Statements            
Aggregate maximum advance amount   $ 2,500,000 $ 2,500,000      
Maximum advance amount based on qualified domestic receivables   1,500,000 1,500,000      
Maximum advance amount based on qualified international receivables   1,500,000 1,000,000      
Advanced rate of domestic qualified non-distributor receivables   70.00% 80.00%      
Advanced rate of domestic qualified distributor receivables   70.00% 60.00%      
Advanced rate of international qualified non-distributor receivables   70.00% 90.00%      
Advanced rate of international qualified distributor receivables   70.00% 70.00%      
Debt reference rate 0.0475 Bank's Prime Rate Bank's Prime Rate      
Minimum interest rate on debt (as a percent)   3.25% 5.00%      
Basis point added to reference rate of debt (as a percent)   1.50% 1.00% 1.50%    
Interest rate in effect (as a percent)     5.00% 4.95%    
Monthly collateral handling fee (as a percent of financed receivable balance outstanding)   0.20% 0.25% 0.20%    
Minimum liquidity ratio (quick assets divided by line of credit balance)     2.0      
Effective rate on cash advances           13.60%
Amount outstanding under domestic line of credit       814,571   655,130
Amount outstanding under international line of credit       0   108,357
Full amounts of domestic accounts receivable provided as collateral       1,160,000   1,078,053
Full amounts of international accounts receivable provided as collateral       0   153,372
Interest expense       24,119 27,027  
Accrued interest       2,571   7,019
Amount outstanding under former bank's line of credit $ 751,906          
Line of credit expire date   Feb. 27, 2016 Feb. 28, 2014