Note 13 - Stock Repurchase Program	12 Months Ended
Dec. 31, 2014
Disclosure Text Block Supplement [Abstract]
Treasury Stock [Text Block]	Note 13 - Stock Repurchase Program On August 5, 2014 the Board of Directors of the Company authorized a new stock repurchase program that will allow the Company to repurchase up to $25 million of its common stock. The program expires on August 31, 2015. Under the stock repurchase program, the Company may repurchase its common stock from time to time, in amounts and at prices the Company deems appropriate, subject to market conditions and other considerations. The Company’s repurchases may be executed using open market purchases, privately negotiated agreements or other transactions. The Company intends to fund repurchases under the new stock repurchase program from cash on hand, available borrowings or proceeds from potential debt or other capital market sources. The stock repurchase program may be suspended or discontinued at any time without prior notice. On August 11, 2014, the Company repurchased 125,000 shares of its common stock for a total cost of $6,995,000. The shares were funded from cash on hand and were cancelled and returned to the status of authorized but unissued. On August 1, 2013, the Board of Directors of the Company authorized a stock repurchase program that allowed the Company to repurchase up to $25 million of its common stock over a one year period. The program expired on July 31, 2014. No repurchases of common stock were executed under this program. On August 1, 2012, the Board of Directors of the Company approved a stock repurchase program authorizing the Company to repurchase up to $25 million of its outstanding shares of common stock. On February 19, 2013, the Company repurchased 100,000 shares for a total cost of $4.7 million. These were the only shares repurchased pursuant to the program’s authorization. The shares were funded from cash on hand and were cancelled and returned to the status of authorized but unissued. This program expired on July 31, 2013.

Note 13 - Stock Repurchase Program

12 Months Ended

Dec. 31, 2014

Disclosure Text Block Supplement [Abstract]

Note 13 - Stock Repurchase Program

On August 5, 2014 the Board of Directors of the Company authorized a new stock repurchase program that will allow the Company to repurchase up to $25 million of its common stock. The program expires on August 31, 2015. Under the stock repurchase program, the Company may repurchase its common stock from time to time, in amounts and at prices the Company deems appropriate, subject to market conditions and other considerations. The Company’s repurchases may be executed using open market purchases, privately negotiated agreements or other transactions. The Company intends to fund repurchases under the new stock repurchase program from cash on hand, available borrowings or proceeds from potential debt or other capital market sources. The stock repurchase program may be suspended or discontinued at any time without prior notice. On August 11, 2014, the Company repurchased 125,000 shares of its common stock for a total cost of $6,995,000. The shares were funded from cash on hand and were cancelled and returned to the status of authorized but unissued.

On August 1, 2013, the Board of Directors of the Company authorized a stock repurchase program that allowed the Company to repurchase up to $25 million of its common stock over a one year period. The program expired on July 31, 2014. No repurchases of common stock were executed under this program.

On August 1, 2012, the Board of Directors of the Company approved a stock repurchase program authorizing the Company to repurchase up to $25 million of its outstanding shares of common stock. On February 19, 2013, the Company repurchased 100,000 shares for a total cost of $4.7 million. These were the only shares repurchased pursuant to the program’s authorization. The shares were funded from cash on hand and were cancelled and returned to the status of authorized but unissued. This program expired on July 31, 2013.