Note 10 - Employee Benefit Plan	12 Months Ended
Dec. 31, 2014
Disclosure Text Block Supplement [Abstract]
Compensation and Employee Benefit Plans [Text Block]	10. EMPLOYEE BENEFIT PLAN: On September 11, 1996, the Company’s board of directors instituted a defined contribution plan under Section 401(k) of the Internal Revenue Code (the “Code”). On October 1, 1998, the Company amended and standardized its plan as required by the Code. Pursuant to the amended plan, qualified employees may contribute a percentage of their pretax eligible compensation to the Plan and the Company will match a percentage of each employee’s contribution. Additionally, the Company has a profit-sharing plan covering all eligible employees. Contributions by the Company are at the discretion of management. The amount of contributions recorded by the Company in 2014, 2013 and 2012 amounted to $355,428, $326,416 and $301,196, respectively.

Note 10 - Employee Benefit Plan

12 Months Ended

Dec. 31, 2014

Disclosure Text Block Supplement [Abstract]

Compensation and Employee Benefit Plans [Text Block]

10. EMPLOYEE BENEFIT PLAN:

On September 11, 1996, the Company’s board of directors instituted a defined contribution plan under Section 401(k) of the Internal Revenue Code (the “Code”). On October 1, 1998, the Company amended and standardized its plan as required by the Code. Pursuant to the amended plan, qualified employees may contribute a percentage of their pretax eligible compensation to the Plan and the Company will match a percentage of each employee’s contribution. Additionally, the Company has a profit-sharing plan covering all eligible employees. Contributions by the Company are at the discretion of management. The amount of contributions recorded by the Company in 2014, 2013 and 2012 amounted to $355,428, $326,416 and $301,196, respectively.