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Note 6 - Debt
12 Months Ended
Dec. 31, 2012
Debt Disclosure [Text Block]
Note 6 - Debt

In August 2012, the Company renewed its line of credit agreement.  The facility matures on August 31, 2013 and accrues interest at a variable rate equal to the bank’s prime rate plus 300 basis points with a minimum annual interest rate of 5.25%.  As of December 31, 2012, the interest rate was 5.25%.  Principal borrowings may be prepaid at any time without penalty, and is secured by substantially all of the Company’s assets.  Borrowings under the facility are limited to a percentage of aggregate outstanding receivables that are due within 90 days.  The facility contains customary affirmative and negative covenants and a net worth financial covenant.  As of December 31, 2012, the Company was in compliance with all covenants under the credit agreement.  For the years ended December 31, 2012 and 2011, the Company did not borrow proceeds under the credit facility.