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Bank Financing Arrangements (Details Narrative) (USD $) | 0 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Oct. 12, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Nov. 02, 2010
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 | 1,000,000 |  |  | 1,000,000
Advanced rate of domestic qualified non-distributor receivables | 80.00% |  |  | 70.00%
Advanced rate of domestic qualified distributor receivables | 60.00% |  |  | 50.00%
Advanced rate of international qualified non-distributor receivables | 90.00% |  |  | 70.00%
Advanced rate of international qualified distributor receivables | 70.00% |  |  | 50.00%
Debt reference rate | Bank's Prime Rate |  |  |
Basis point added to reference rate of debt (as a percent) | 1.00% |  |  | 2.00%
Minimum interest rate on debt (as a percent) | 5.00% |  |  | 6.00%
Interest rate in effect (as a percent) | 5.00% |  |  | 6.00%
Monthly collateral handling fee (as a percent of financed receivable balance outstanding) | 0.25% |  |  | 0.62%
Minimum liquidity ratio (quick assets divided by line of credit balance) | 2.0 |  |  |
Amount outstanding under domestic line of credit |  | 479,647 | 921,621 |
Amount outstanding under international line of credit |  | 331,039 | 187,979 |
Full amounts of domestic accounts receivable provided as collateral |  | 777,987 | 1,481,039 |
Full amounts of international accounts receivable provided as collateral |  | 464,731 | 266,006 |
Interest expense |  | 98,861 | 24,047 |
Accrued interest |  | $ 7,237 | $ 10,477 |

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