Note 7 - Credit Facility	6 Months Ended
Jun. 30, 2013
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	NOTE 7. - CREDIT FACILITY The Company maintains a $5.0 million revolving bank credit facility maturing December 19, 2015. The applicable interest rate on outstanding balances is LIBOR plus 1.0% to 1.5% based on certain factors included in the credit agreement. At June 30, 2013 and December 31, 2012, the Company’s interest rate on the $3.5 million outstanding balance was 1.7% and 1.2%, respectively. The unused portion of the credit facility is subject to an unused facility fee ranging from .25% to .75% depending on total deposits with the creditor. All borrowings under this facility are secured by marketable securities. The outstanding balance of $3.5 million as of June 30, 2013 and December 31, 2012 is classified as long-term debt on the Company’s condensed consolidated balance sheets. Subsequent to June 30, 2013 and prior to the Company’s filing of the condensed consolidated financial statements, the outstanding balance on the credit facility was repaid.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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