Note 5 - Credit Facility	12 Months Ended
Dec. 31, 2012
Debt Disclosure [Text Block]	5. 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 December 31, 2012 and December 31, 2011, the Company’s interest rate on the $3.5 million outstanding balance was 1.2% and 1.8%, 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 December 31, 2012 and 2011 is classified as long-term debt on the Company’s consolidated balance sheets. Subsequent to December 31, 2012 and prior to the Company’s filing of the consolidated financial statements, the outstanding balance on the credit facility was repaid.

Note 5 - Credit Facility

12 Months Ended

Dec. 31, 2012

5. 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 December 31, 2012 and December 31, 2011, the Company’s interest rate on the $3.5 million outstanding balance was 1.2% and 1.8%, 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 December 31, 2012 and 2011 is classified as long-term debt on the Company’s consolidated balance sheets. Subsequent to December 31, 2012 and prior to the Company’s filing of the 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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