Note 11 - Stock Repurchase Program	3 Months Ended
Mar. 31, 2015
Disclosure Text Block Supplement [Abstract]
Treasury Stock [Text Block]	Note 11 - Stock Repurchase Program On May 7, 2015 the Board of Directors authorized two new stock repurchase programs, one that will allow for repurchase of up to $25 million of its common stock and one that will allow for the repurchase of up to $25 million of its preferred stock. Both of the stock purchase plans expire on August 31, 2016. These stock purchase plans replace the stock purchase plan previously approved by the Board of Directors on August 5, 2014. Under the common 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. Under the preferred stock repurchase program, the Company may repurchase its preferred 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 programs from cash on hand, available borrowings or proceeds from potential debt or other capital market sources. The stock repurchase programs may be suspended or discontinued at any time without prior notice. The Company will provide an update regarding any purchases made pursuant to the stock repurchase programs each time it reports its results of operations. On August 11, 2014, under the previous stock purchase plan, 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.

Note 11 - Stock Repurchase Program

3 Months Ended

Mar. 31, 2015

Disclosure Text Block Supplement [Abstract]

Note 11 - Stock Repurchase Program

On May 7, 2015 the Board of Directors authorized two new stock repurchase programs, one that will allow for repurchase of up to $25 million of its common stock and one that will allow for the repurchase of up to $25 million of its preferred stock. Both of the stock purchase plans expire on August 31, 2016. These stock purchase plans replace the stock purchase plan previously approved by the Board of Directors on August 5, 2014.

Under the common 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. Under the preferred stock repurchase program, the Company may repurchase its preferred 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 programs from cash on hand, available borrowings or proceeds from potential debt or other capital market sources. The stock repurchase programs may be suspended or discontinued at any time without prior notice. The Company will provide an update regarding any purchases made pursuant to the stock repurchase programs each time it reports its results of operations.

On August 11, 2014, under the previous stock purchase plan, 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.